16538900 has 36 divisors (see below), whose sum is σ = 41018208. Its totient is φ = 5670240.

The previous prime is 16538891. The next prime is 16538933. The reversal of 16538900 is 983561.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11114 + ... + 12513.

Almost surely, 2^16538900 is an apocalyptic number.

16538900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16538900 is an abundant number, since it is smaller than the sum of its proper divisors (24479308).

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

16538900 is a wasteful number, since it uses less digits than its factorization.

16538900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23648 (or 23641 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 16538900 is about 4066.8046424681. The cubic root of 16538900 is about 254.7820770482.

The spelling of 16538900 in words is "sixteen million, five hundred thirty-eight thousand, nine hundred".