163112250 has 64 divisors (see below), whose sum is σ = 465304320. Its totient is φ = 37281600.

The previous prime is 163112249. The next prime is 163112303. The reversal of 163112250 is 52211361.

It is a super-2 number, since 2×163112250² = 53211212200125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10285 + ... + 20784.

It is an arithmetic number, because the mean of its divisors is an integer number (7270380).

Almost surely, 2^163112250 is an apocalyptic number.

163112250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163112250 is an abundant number, since it is smaller than the sum of its proper divisors (302192070).

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

163112250 is a wasteful number, since it uses less digits than its factorization.

163112250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31096 (or 31086 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 163112250 is about 12771.5406275046. The cubic root of 163112250 is about 546.3809213742.

The spelling of 163112250 in words is "one hundred sixty-three million, one hundred twelve thousand, two hundred fifty".