799155167172 has 12 divisors (see below), whose sum is σ = 1864695390096. Its totient is φ = 266385055720.

The previous prime is 799155167071. The next prime is 799155167179. The reversal of 799155167172 is 271761551997.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (799155167179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33298131954 + ... + 33298131977.

It is an arithmetic number, because the mean of its divisors is an integer number (155391282508).

Almost surely, 2^799155167172 is an apocalyptic number.

It is an amenable number.

799155167172 is an abundant number, since it is smaller than the sum of its proper divisors (1065540222924).

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

799155167172 is a wasteful number, since it uses less digits than its factorization.

799155167172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66596263938 (or 66596263936 counting only the distinct ones).

The product of its digits is 8334900, while the sum is 60.

The spelling of 799155167172 in words is "seven hundred ninety-nine billion, one hundred fifty-five million, one hundred sixty-seven thousand, one hundred seventy-two".