16457764 has 12 divisors (see below), whose sum is σ = 28859824. Its totient is φ = 8212104.

The previous prime is 16457759. The next prime is 16457773. The reversal of 16457764 is 46775461.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 1842 + ... + 6025.

Almost surely, 2^16457764 is an apocalyptic number.

It is an amenable number.

16457764 is a deficient number, since it is larger than the sum of its proper divisors (12402060).

16457764 is a wasteful number, since it uses less digits than its factorization.

16457764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394 (or 8392 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 16457764 is about 4056.8169788641. The cubic root of 16457764 is about 254.3647599948.

It can be divided in two parts, 1645 and 7764, that added together give a square (9409 = 97²).

The spelling of 16457764 in words is "sixteen million, four hundred fifty-seven thousand, seven hundred sixty-four".