16442667640736 has 24 divisors (see below), whose sum is σ = 33124327546464. Its totient is φ = 8030140009920.

The previous prime is 16442667640559. The next prime is 16442667640759. The reversal of 16442667640736 is 63704676624461.

It is a super-3 number, since 3×16442667640736³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5974805180 + ... + 5974807931.

It is an arithmetic number, because the mean of its divisors is an integer number (1380180314436).

Almost surely, 2^{16442667640736} is an apocalyptic number.

16442667640736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16442667640736 is an abundant number, since it is smaller than the sum of its proper divisors (16681659905728).

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

16442667640736 is a wasteful number, since it uses less digits than its factorization.

16442667640736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949613164 (or 11949613156 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 62.

The spelling of 16442667640736 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-seven million, six hundred forty thousand, seven hundred thirty-six".