16621065102152 has 96 divisors (see below), whose sum is σ = 37451774304000. Its totient is φ = 6888047564160.

The previous prime is 16621065102149. The next prime is 16621065102179. The reversal of 16621065102152 is 25120156012661.

It is a super-2 number, since 2×16621065102152² (a number of 27 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 23 ways as a sum of consecutive naturals, for example, 14756174 + ... + 15842562.

It is an arithmetic number, because the mean of its divisors is an integer number (390122649000).

Almost surely, 2^{16621065102152} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16621065102152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18725887152000).

16621065102152 is an abundant number, since it is smaller than the sum of its proper divisors (20830709201848).

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

16621065102152 is a wasteful number, since it uses less digits than its factorization.

16621065102152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087699 (or 1087688 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 16621065102152 in words is "sixteen trillion, six hundred twenty-one billion, sixty-five million, one hundred two thousand, one hundred fifty-two".