151669897237980 has 576 divisors, whose sum is σ = 529566951513600. Its totient is φ = 34750165155840.

The previous prime is 151669897237871. The next prime is 151669897237981. The reversal of 151669897237980 is 89732798966151.

151669897237980 is a `hidden beast` number, since 1 + 5 + 16 + 6 + 98 + 9 + 72 + 379 + 80 = 666.

151669897237980 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×151669897237980³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151669897237980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151669897237981) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 33356034067 + ... + 33356038613.

It is an arithmetic number, because the mean of its divisors is an integer number (919387068600).

Almost surely, 2^{151669897237980} is an apocalyptic number.

151669897237980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151669897237980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264783475756800).

151669897237980 is an abundant number, since it is smaller than the sum of its proper divisors (377897054275620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151669897237980 is a wasteful number, since it uses less digits than its factorization.

151669897237980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514 (or 6509 counting only the distinct ones).

The product of its (nonzero) digits is 2469035520, while the sum is 81.

The spelling of 151669897237980 in words is "one hundred fifty-one trillion, six hundred sixty-nine billion, eight hundred ninety-seven million, two hundred thirty-seven thousand, nine hundred eighty".