16312700 has 18 divisors (see below), whose sum is σ = 35398776. Its totient is φ = 6525040.

The previous prime is 16312693. The next prime is 16312717. The reversal of 16312700 is 721361.

It is a happy number.

It is a super-2 number, since 2×16312700² = 532208362580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81464 + ... + 81663.

Almost surely, 2^16312700 is an apocalyptic number.

16312700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16312700 is an abundant number, since it is smaller than the sum of its proper divisors (19086076).

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

16312700 is a wasteful number, since it uses less digits than its factorization.

16312700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163141 (or 163134 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 16312700 is about 4038.8983646534. The cubic root of 16312700 is about 253.6152025769.

The spelling of 16312700 in words is "sixteen million, three hundred twelve thousand, seven hundred".