16256886972 has 12 divisors (see below), whose sum is σ = 37932736296. Its totient is φ = 5418962320.

The previous prime is 16256886959. The next prime is 16256886983. The reversal of 16256886972 is 27968865261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677370279 + ... + 677370302.

It is an arithmetic number, because the mean of its divisors is an integer number (3161061358).

Almost surely, 2^16256886972 is an apocalyptic number.

16256886972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16256886972 is an abundant number, since it is smaller than the sum of its proper divisors (21675849324).

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

16256886972 is a wasteful number, since it uses less digits than its factorization.

16256886972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354740588 (or 1354740586 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The spelling of 16256886972 in words is "sixteen billion, two hundred fifty-six million, eight hundred eighty-six thousand, nine hundred seventy-two".