79158168 has 64 divisors (see below), whose sum is σ = 227484000. Its totient is φ = 25474176.

The previous prime is 79158151. The next prime is 79158169. The reversal of 79158168 is 86185197.

79158168 is a `hidden beast` number, since 7 + 9 + 1 + 581 + 68 = 666.

It is a super-2 number, since 2×79158168² = 12532031122232448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79158169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55 + ... + 12582.

Almost surely, 2^79158168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79158168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113742000).

79158168 is an abundant number, since it is smaller than the sum of its proper divisors (148325832).

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

79158168 is a wasteful number, since it uses less digits than its factorization.

79158168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12681 (or 12671 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 79158168 is about 8897.0876133710. The cubic root of 79158168 is about 429.3702119944.

The spelling of 79158168 in words is "seventy-nine million, one hundred fifty-eight thousand, one hundred sixty-eight".