79390416168 has 128 divisors (see below), whose sum is σ = 252151315200. Its totient is φ = 22672334592.

The previous prime is 79390416089. The next prime is 79390416169. The reversal of 79390416168 is 86161409397.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (79390416169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3552646 + ... + 3574922.

It is an arithmetic number, because the mean of its divisors is an integer number (1969932150).

Almost surely, 2^79390416168 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 79390416168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126075657600).

79390416168 is an abundant number, since it is smaller than the sum of its proper divisors (172760899032).

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

79390416168 is a wasteful number, since it uses less digits than its factorization.

79390416168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24656 (or 24646 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 79390416168 in words is "seventy-nine billion, three hundred ninety million, four hundred sixteen thousand, one hundred sixty-eight".