791099169 has 12 divisors (see below), whose sum is σ = 1227011184. Its totient is φ = 452056584.

The previous prime is 791099167. The next prime is 791099171. The reversal of 791099169 is 961990197.

It is an interprime number because it is at equal distance from previous prime (791099167) and next prime (791099171).

It is not a de Polignac number, because 791099169 - 2¹ = 791099167 is a prime.

It is a super-2 number, since 2×791099169² = 1251675790384981122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (791099167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2690667 + ... + 2690960.

It is an arithmetic number, because the mean of its divisors is an integer number (102250932).

Almost surely, 2^791099169 is an apocalyptic number.

It is an amenable number.

791099169 is a deficient number, since it is larger than the sum of its proper divisors (435912015).

791099169 is a wasteful number, since it uses less digits than its factorization.

791099169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381644 (or 5381637 counting only the distinct ones).

The product of its (nonzero) digits is 275562, while the sum is 51.

The square root of 791099169 is about 28126.4851874528. The cubic root of 791099169 is about 924.8620856961.

The spelling of 791099169 in words is "seven hundred ninety-one million, ninety-nine thousand, one hundred sixty-nine".