16265630572728 has 32 divisors (see below), whose sum is σ = 40665731389200. Its totient is φ = 5421656196608.

The previous prime is 16265630572661. The next prime is 16265630572747. The reversal of 16265630572728 is 82727503656261.

It is a congruent number.

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, 13188783 + ... + 14369246.

Almost surely, 2^{16265630572728} is an apocalyptic number.

It is an amenable number.

16265630572728 is an abundant number, since it is smaller than the sum of its proper divisors (24400100816472).

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

16265630572728 is a wasteful number, since it uses less digits than its factorization.

16265630572728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27582631 (or 27582627 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 60.

The spelling of 16265630572728 in words is "sixteen trillion, two hundred sixty-five billion, six hundred thirty million, five hundred seventy-two thousand, seven hundred twenty-eight".