163079957 has 2 divisors, whose sum is σ = 163079958. Its totient is φ = 163079956.

The previous prime is 163079947. The next prime is 163080011. The reversal of 163079957 is 759970361.

It is a happy number.

163079957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151560721 + 11519236 = 12311^2 + 3394^2 .

It is an emirp because it is prime and its reverse (759970361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163079957 - 2⁸ = 163079701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163079947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81539978 + 81539979.

It is an arithmetic number, because the mean of its divisors is an integer number (81539979).

Almost surely, 2^163079957 is an apocalyptic number.

It is an amenable number.

163079957 is a deficient number, since it is larger than the sum of its proper divisors (1).

163079957 is an equidigital number, since it uses as much as digits as its factorization.

163079957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 357210, while the sum is 47.

The square root of 163079957 is about 12770.2763086787. The cubic root of 163079957 is about 546.3448614550.

The spelling of 163079957 in words is "one hundred sixty-three million, seventy-nine thousand, nine hundred fifty-seven".