616051521350226 has 96 divisors (see below), whose sum is σ = 1452731392240128. Its totient is φ = 187540888273920.

The previous prime is 616051521350207. The next prime is 616051521350231. The reversal of 616051521350226 is 622053125150616.

616051521350226 is a `hidden beast` number, since 6 + 1 + 6 + 0 + 51 + 5 + 21 + 350 + 226 = 666.

It is a super-2 number, since 2×616051521350226² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67599561 + ... + 76169571.

It is an arithmetic number, because the mean of its divisors is an integer number (15132618669168).

Almost surely, 2^{616051521350226} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616051521350226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726365696120064).

616051521350226 is an abundant number, since it is smaller than the sum of its proper divisors (836679870889902).

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

616051521350226 is a wasteful number, since it uses less digits than its factorization.

616051521350226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573296 (or 8573293 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 616051521350226 in words is "six hundred sixteen trillion, fifty-one billion, five hundred twenty-one million, three hundred fifty thousand, two hundred twenty-six".