791668088165 has 16 divisors (see below), whose sum is σ = 952377980160. Its totient is φ = 631752264000.

The previous prime is 791668088161. The next prime is 791668088191. The reversal of 791668088165 is 561880866197.

It is not a de Polignac number, because 791668088165 - 2² = 791668088161 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791668088161) 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 15 ways as a sum of consecutive naturals, for example, 3102827 + ... + 3348263.

It is an arithmetic number, because the mean of its divisors is an integer number (59523623760).

Almost surely, 2^791668088165 is an apocalyptic number.

It is an amenable number.

791668088165 is a deficient number, since it is larger than the sum of its proper divisors (160709891995).

791668088165 is a wasteful number, since it uses less digits than its factorization.

791668088165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247052.

The product of its (nonzero) digits is 34836480, while the sum is 65.

The spelling of 791668088165 in words is "seven hundred ninety-one billion, six hundred sixty-eight million, eighty-eight thousand, one hundred sixty-five".