163170053 has 2 divisors, whose sum is σ = 163170054. Its totient is φ = 163170052.

The previous prime is 163170023. The next prime is 163170067. The reversal of 163170053 is 350071361.

It is a happy number.

163170053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149279524 + 13890529 = 12218^2 + 3727^2 .

It is a cyclic number.

It is not a de Polignac number, because 163170053 - 2⁶ = 163169989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163170023) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81585026 + 81585027.

It is an arithmetic number, because the mean of its divisors is an integer number (81585027).

Almost surely, 2^163170053 is an apocalyptic number.

It is an amenable number.

163170053 is a deficient number, since it is larger than the sum of its proper divisors (1).

163170053 is an equidigital number, since it uses as much as digits as its factorization.

163170053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 163170053 is about 12773.8033881847. The cubic root of 163170053 is about 546.4454551057.

The spelling of 163170053 in words is "one hundred sixty-three million, one hundred seventy thousand, fifty-three".