16504364 has 24 divisors (see below), whose sum is σ = 30273600. Its totient is φ = 7862400.

The previous prime is 16504349. The next prime is 16504381. The reversal of 16504364 is 46340561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 8264 + ... + 10064.

It is an arithmetic number, because the mean of its divisors is an integer number (1261400).

Almost surely, 2^16504364 is an apocalyptic number.

It is an amenable number.

16504364 is a deficient number, since it is larger than the sum of its proper divisors (13769236).

16504364 is a wasteful number, since it uses less digits than its factorization.

16504364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 16504364 is about 4062.5563380709. The cubic root of 16504364 is about 254.6046108800.

The spelling of 16504364 in words is "sixteen million, five hundred four thousand, three hundred sixty-four".