791576161 has 2 divisors, whose sum is σ = 791576162. Its totient is φ = 791576160.

The previous prime is 791576153. The next prime is 791576167. The reversal of 791576161 is 161675197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486864225 + 304711936 = 22065^2 + 17456^2 .

It is a cyclic number.

It is not a de Polignac number, because 791576161 - 2³ = 791576153 is a prime.

It is not a weakly prime, because it can be changed into another prime (791576167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395788080 + 395788081.

It is an arithmetic number, because the mean of its divisors is an integer number (395788081).

Almost surely, 2^791576161 is an apocalyptic number.

It is an amenable number.

791576161 is a deficient number, since it is larger than the sum of its proper divisors (1).

791576161 is an equidigital number, since it uses as much as digits as its factorization.

791576161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 43.

The square root of 791576161 is about 28134.9633196846. The cubic root of 791576161 is about 925.0479297297.

The spelling of 791576161 in words is "seven hundred ninety-one million, five hundred seventy-six thousand, one hundred sixty-one".