79169664 has 64 divisors (see below), whose sum is σ = 240344640. Its totient is φ = 22619136.

The previous prime is 79169653. The next prime is 79169687. The reversal of 79169664 is 46696197.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12039 + ... + 17414.

It is an arithmetic number, because the mean of its divisors is an integer number (3755385).

Almost surely, 2^79169664 is an apocalyptic number.

It is an amenable number.

79169664 is an abundant number, since it is smaller than the sum of its proper divisors (161174976).

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

79169664 is a wasteful number, since it uses less digits than its factorization.

79169664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29477 (or 29465 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 79169664 is about 8897.7336440242. The cubic root of 79169664 is about 429.3909965458.

The spelling of 79169664 in words is "seventy-nine million, one hundred sixty-nine thousand, six hundred sixty-four".