16251534366 has 16 divisors (see below), whose sum is σ = 34213756800. Its totient is φ = 5132063448.

The previous prime is 16251534311. The next prime is 16251534379. The reversal of 16251534366 is 66343515261.

It is a super-2 number, since 2×16251534366² (a number of 21 digits) contains 22 as substring.

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, 71278546 + ... + 71278773.

It is an arithmetic number, because the mean of its divisors is an integer number (2138359800).

Almost surely, 2^16251534366 is an apocalyptic number.

16251534366 is an abundant number, since it is smaller than the sum of its proper divisors (17962222434).

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

16251534366 is a wasteful number, since it uses less digits than its factorization.

16251534366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142557343.

The product of its digits is 388800, while the sum is 42.

The spelling of 16251534366 in words is "sixteen billion, two hundred fifty-one million, five hundred thirty-four thousand, three hundred sixty-six".