163163929 has 2 divisors, whose sum is σ = 163163930. Its totient is φ = 163163928.

The previous prime is 163163921. The next prime is 163163941. The reversal of 163163929 is 929361361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163149529 + 14400 = 12773^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 163163929 - 2³ = 163163921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163163891 and 163163900.

It is not a weakly prime, because it can be changed into another prime (163163921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81581964 + 81581965.

It is an arithmetic number, because the mean of its divisors is an integer number (81581965).

Almost surely, 2^163163929 is an apocalyptic number.

It is an amenable number.

163163929 is a deficient number, since it is larger than the sum of its proper divisors (1).

163163929 is an equidigital number, since it uses as much as digits as its factorization.

163163929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 40.

The square root of 163163929 is about 12773.5636765939. The cubic root of 163163929 is about 546.4386187331.

The spelling of 163163929 in words is "one hundred sixty-three million, one hundred sixty-three thousand, nine hundred twenty-nine".