163306252 has 12 divisors (see below), whose sum is σ = 288037120. Its totient is φ = 81009936.

The previous prime is 163306249. The next prime is 163306261. The reversal of 163306252 is 252603361.

It is a self number, because there is not a number n which added to its sum of digits gives 163306252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160227 + ... + 161242.

Almost surely, 2^163306252 is an apocalyptic number.

It is an amenable number.

163306252 is a deficient number, since it is larger than the sum of its proper divisors (124730868).

163306252 is a wasteful number, since it uses less digits than its factorization.

163306252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321600 (or 321598 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 163306252 is about 12779.1334604503. The cubic root of 163306252 is about 546.5974532308.

The spelling of 163306252 in words is "one hundred sixty-three million, three hundred six thousand, two hundred fifty-two".