16032664 has 8 divisors (see below), whose sum is σ = 30061260. Its totient is φ = 8016328.

The previous prime is 16032661. The next prime is 16032707. The reversal of 16032664 is 46623061.

16032664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16032661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002034 + ... + 1002049.

Almost surely, 2^16032664 is an apocalyptic number.

It is an amenable number.

16032664 is a deficient number, since it is larger than the sum of its proper divisors (14028596).

16032664 is a wasteful number, since it uses less digits than its factorization.

16032664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004089 (or 2004085 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 16032664 is about 4004.0809182633. The cubic root of 16032664 is about 252.1555686771.

The spelling of 16032664 in words is "sixteen million, thirty-two thousand, six hundred sixty-four".