166299157140480 has 4928 divisors, whose sum is σ = 787720694423040. Its totient is φ = 32692368310272.

The previous prime is 166299157140469. The next prime is 166299157140517. The reversal of 166299157140480 is 84041751992661.

166299157140480 is a `hidden beast` number, since 1 + 6 + 6 + 2 + 9 + 9 + 1 + 5 + 7 + 140 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 471102427984 + ... + 471102428336.

Almost surely, 2^{166299157140480} is an apocalyptic number.

166299157140480 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 166299157140480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393860347211520).

166299157140480 is an abundant number, since it is smaller than the sum of its proper divisors (621421537282560).

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

166299157140480 is a wasteful number, since it uses less digits than its factorization.

166299157140480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 166299157140480 in words is "one hundred sixty-six trillion, two hundred ninety-nine billion, one hundred fifty-seven million, one hundred forty thousand, four hundred eighty".