16387164 has 24 divisors (see below), whose sum is σ = 42485520. Its totient is φ = 5462352.

The previous prime is 16387121. The next prime is 16387181. The reversal of 16387164 is 46178361.

16387164 is a `hidden beast` number, since 1 + 638 + 7 + 16 + 4 = 666.

16387164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 75759 + ... + 75974.

It is an arithmetic number, because the mean of its divisors is an integer number (1770230).

Almost surely, 2^16387164 is an apocalyptic number.

It is an amenable number.

16387164 is an abundant number, since it is smaller than the sum of its proper divisors (26098356).

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

16387164 is a wasteful number, since it uses less digits than its factorization.

16387164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151746 (or 151738 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 16387164 is about 4048.1062239027. The cubic root of 16387164 is about 254.0005166666. Note that the first 3 decimals are identical.

The spelling of 16387164 in words is "sixteen million, three hundred eighty-seven thousand, one hundred sixty-four".