16057591872 has 56 divisors (see below), whose sum is σ = 48555103296. Its totient is φ = 4587883008.

The previous prime is 16057591861. The next prime is 16057591873. The reversal of 16057591872 is 27819575061.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (16057591873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5972463 + ... + 5975150.

It is an arithmetic number, because the mean of its divisors is an integer number (867055416).

Almost surely, 2^16057591872 is an apocalyptic number.

16057591872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16057591872 is an abundant number, since it is smaller than the sum of its proper divisors (32497511424).

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

16057591872 is a wasteful number, since it uses less digits than its factorization.

16057591872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11947635 (or 11947625 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 51.

The spelling of 16057591872 in words is "sixteen billion, fifty-seven million, five hundred ninety-one thousand, eight hundred seventy-two".