163934057 has 6 divisors (see below), whose sum is σ = 190698858. Its totient is φ = 140514864.

The previous prime is 163934027. The next prime is 163934081. The reversal of 163934057 is 750439361.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 160174336 + 3759721 = 12656^2 + 1939^2 .

It is not a de Polignac number, because 163934057 - 2⁶ = 163933993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163934057.

It is not an unprimeable number, because it can be changed into a prime (163934027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1672748 + ... + 1672845.

It is an arithmetic number, because the mean of its divisors is an integer number (31783143).

Almost surely, 2^163934057 is an apocalyptic number.

It is an amenable number.

163934057 is a deficient number, since it is larger than the sum of its proper divisors (26764801).

163934057 is an equidigital number, since it uses as much as digits as its factorization.

163934057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345607 (or 3345600 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 163934057 is about 12803.6735744082. The cubic root of 163934057 is about 547.2969933272.

The spelling of 163934057 in words is "one hundred sixty-three million, nine hundred thirty-four thousand, fifty-seven".