79164941138 has 8 divisors (see below), whose sum is σ = 118764995580. Its totient is φ = 39576609280.

The previous prime is 79164941129. The next prime is 79164941161. The reversal of 79164941138 is 83114946197.

It can be written as a sum of positive squares in 2 ways, for example, as 76810459609 + 2354481529 = 277147^2 + 48523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 79164941138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2913743 + ... + 2940786.

Almost surely, 2^79164941138 is an apocalyptic number.

79164941138 is a deficient number, since it is larger than the sum of its proper divisors (39600054442).

79164941138 is a wasteful number, since it uses less digits than its factorization.

79164941138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861292.

The product of its digits is 1306368, while the sum is 53.

The spelling of 79164941138 in words is "seventy-nine billion, one hundred sixty-four million, nine hundred forty-one thousand, one hundred thirty-eight".