16087664 has 20 divisors (see below), whose sum is σ = 31464504. Its totient is φ = 7967808.

The previous prime is 16087619. The next prime is 16087681. The reversal of 16087664 is 46678061.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2987 + ... + 6410.

Almost surely, 2^16087664 is an apocalyptic number.

It is an amenable number.

16087664 is a deficient number, since it is larger than the sum of its proper divisors (15376840).

16087664 is a wasteful number, since it uses less digits than its factorization.

16087664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512 (or 9506 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 16087664 is about 4010.9430312584. The cubic root of 16087664 is about 252.4435791985.

The spelling of 16087664 in words is "sixteen million, eighty-seven thousand, six hundred sixty-four".