16115664 has 20 divisors (see below), whose sum is σ = 41632256. Its totient is φ = 5371872.

The previous prime is 16115653. The next prime is 16115707. The reversal of 16115664 is 46651161.

It is a hoax number, since the sum of its digits (30) 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, 167824 + ... + 167919.

Almost surely, 2^16115664 is an apocalyptic number.

It is an amenable number.

16115664 is an abundant number, since it is smaller than the sum of its proper divisors (25516592).

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

16115664 is a wasteful number, since it uses less digits than its factorization.

16115664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335754 (or 335748 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 16115664 is about 4014.4319647990. The cubic root of 16115664 is about 252.5899506336.

The spelling of 16115664 in words is "sixteen million, one hundred fifteen thousand, six hundred sixty-four".