16312656 has 40 divisors (see below), whose sum is σ = 44622144. Its totient is φ = 5117440.

The previous prime is 16312651. The next prime is 16312663. The reversal of 16312656 is 65621361.

16312656 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16312656² = 532205491548672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16312651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9180 + ... + 10811.

Almost surely, 2^16312656 is an apocalyptic number.

16312656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16312656 is an abundant number, since it is smaller than the sum of its proper divisors (28309488).

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

16312656 is a wasteful number, since it uses less digits than its factorization.

16312656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20019 (or 20013 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 16312656 is about 4038.8929176199. The cubic root of 16312656 is about 253.6149745525.

The spelling of 16312656 in words is "sixteen million, three hundred twelve thousand, six hundred fifty-six".