16666582575016 has 32 divisors (see below), whose sum is σ = 34668546199200. Its totient is φ = 7447317327040.

The previous prime is 16666582574989. The next prime is 16666582575089. The reversal of 16666582575016 is 61057528566661.

It is a super-2 number, since 2×16666582575016² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605020095 + ... + 1605030478.

It is an arithmetic number, because the mean of its divisors is an integer number (1083392068725).

Almost surely, 2^{16666582575016} is an apocalyptic number.

It is an amenable number.

16666582575016 is an abundant number, since it is smaller than the sum of its proper divisors (18001963624184).

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

16666582575016 is a wasteful number, since it uses less digits than its factorization.

16666582575016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210050649 (or 3210050645 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 64.

The spelling of 16666582575016 in words is "sixteen trillion, six hundred sixty-six billion, five hundred eighty-two million, five hundred seventy-five thousand, sixteen".