812160718579 has 16 divisors (see below), whose sum is σ = 946135131840. Its totient is φ = 682686351360.

The previous prime is 812160718573. The next prime is 812160718591. The reversal of 812160718579 is 975817061218.

It is a cyclic number.

It is not a de Polignac number, because 812160718579 - 2⁹ = 812160718067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812160718573) 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, 295227 + ... + 1308235.

It is an arithmetic number, because the mean of its divisors is an integer number (59133445740).

Almost surely, 2^812160718579 is an apocalyptic number.

812160718579 is a deficient number, since it is larger than the sum of its proper divisors (133974413261).

812160718579 is a wasteful number, since it uses less digits than its factorization.

812160718579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015230.

The product of its (nonzero) digits is 1693440, while the sum is 55.

The spelling of 812160718579 in words is "eight hundred twelve billion, one hundred sixty million, seven hundred eighteen thousand, five hundred seventy-nine".