79164941137 has 4 divisors (see below), whose sum is σ = 79181394100. Its totient is φ = 79148488176.

The previous prime is 79164941129. The next prime is 79164941161. The reversal of 79164941137 is 73114946197.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64898072001 + 14266869136 = 254751^2 + 119444^2 .

It is a cyclic number.

It is not a de Polignac number, because 79164941137 - 2³ = 79164941129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79164945137) by changing a digit.

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, 8219262 + ... + 8228887.

It is an arithmetic number, because the mean of its divisors is an integer number (19795348525).

Almost surely, 2^79164941137 is an apocalyptic number.

It is an amenable number.

79164941137 is a deficient number, since it is larger than the sum of its proper divisors (16452963).

79164941137 is a wasteful number, since it uses less digits than its factorization.

79164941137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16452962.

The product of its digits is 1143072, while the sum is 52.

The spelling of 79164941137 in words is "seventy-nine billion, one hundred sixty-four million, nine hundred forty-one thousand, one hundred thirty-seven".