16251225256 has 16 divisors (see below), whose sum is σ = 34824054240. Its totient is φ = 6964810800.

The previous prime is 16251225247. The next prime is 16251225257. The reversal of 16251225256 is 65252215261.

It is not an unprimeable number, because it can be changed into a prime (16251225257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145100170 + ... + 145100281.

It is an arithmetic number, because the mean of its divisors is an integer number (2176503390).

Almost surely, 2^16251225256 is an apocalyptic number.

It is an amenable number.

16251225256 is an abundant number, since it is smaller than the sum of its proper divisors (18572828984).

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

16251225256 is a wasteful number, since it uses less digits than its factorization.

16251225256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290200464 (or 290200460 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The spelling of 16251225256 in words is "sixteen billion, two hundred fifty-one million, two hundred twenty-five thousand, two hundred fifty-six".