79166722068 has 144 divisors (see below), whose sum is σ = 249968968704. Its totient is φ = 20601768960.

The previous prime is 79166721971. The next prime is 79166722081. The reversal of 79166722068 is 86022766197.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165255 + ... + 430862.

It is an arithmetic number, because the mean of its divisors is an integer number (1735895616).

Almost surely, 2^79166722068 is an apocalyptic number.

It is an amenable number.

79166722068 is an abundant number, since it is smaller than the sum of its proper divisors (170802246636).

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

79166722068 is a wasteful number, since it uses less digits than its factorization.

79166722068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596182 (or 596177 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 79166722068 in words is "seventy-nine billion, one hundred sixty-six million, seven hundred twenty-two thousand, sixty-eight".