16272801264 has 40 divisors (see below), whose sum is σ = 42630164352. Its totient is φ = 5347867840.

The previous prime is 16272801253. The next prime is 16272801271. The reversal of 16272801264 is 46210827261.

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, 2384034 + ... + 2390849.

Almost surely, 2^16272801264 is an apocalyptic number.

It is an amenable number.

16272801264 is an abundant number, since it is smaller than the sum of its proper divisors (26357363088).

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

16272801264 is a wasteful number, since it uses less digits than its factorization.

16272801264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774965 (or 4774959 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 16272801264 in words is "sixteen billion, two hundred seventy-two million, eight hundred one thousand, two hundred sixty-four".