162099252 has 72 divisors (see below), whose sum is σ = 488886720. Its totient is φ = 46312560.

The previous prime is 162099229. The next prime is 162099383. The reversal of 162099252 is 252990261.

It is a happy number.

162099252 is a `hidden beast` number, since 1 + 620 + 9 + 9 + 25 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10024 + ... + 20607.

Almost surely, 2^162099252 is an apocalyptic number.

162099252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162099252 is an abundant number, since it is smaller than the sum of its proper divisors (326787468).

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

162099252 is a wasteful number, since it uses less digits than its factorization.

162099252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30658 (or 30643 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 162099252 is about 12731.8204511374. The cubic root of 162099252 is about 545.2474840432.

The spelling of 162099252 in words is "one hundred sixty-two million, ninety-nine thousand, two hundred fifty-two".