16256612272 has 10 divisors (see below), whose sum is σ = 31497186308. Its totient is φ = 8128306128.

The previous prime is 16256612269. The next prime is 16256612279. The reversal of 16256612272 is 27221665261.

It is not an unprimeable number, because it can be changed into a prime (16256612279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508019118 + ... + 508019149.

Almost surely, 2^16256612272 is an apocalyptic number.

It is an amenable number.

16256612272 is a deficient number, since it is larger than the sum of its proper divisors (15240574036).

16256612272 is a wasteful number, since it uses less digits than its factorization.

16256612272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016038275 (or 1016038269 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The spelling of 16256612272 in words is "sixteen billion, two hundred fifty-six million, six hundred twelve thousand, two hundred seventy-two".