163156252 has 24 divisors (see below), whose sum is σ = 326789120. Its totient is φ = 69822000.

The previous prime is 163156243. The next prime is 163156267. The reversal of 163156252 is 252651361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17149 + ... + 24907.

Almost surely, 2^163156252 is an apocalyptic number.

It is an amenable number.

163156252 is an abundant number, since it is smaller than the sum of its proper divisors (163632868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163156252 is a wasteful number, since it uses less digits than its factorization.

163156252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521 (or 8519 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 163156252 is about 12773.2631696055. The cubic root of 163156252 is about 546.4300484666.

The spelling of 163156252 in words is "one hundred sixty-three million, one hundred fifty-six thousand, two hundred fifty-two".