163159992 has 96 divisors (see below), whose sum is σ = 476658000. Its totient is φ = 50250240.

The previous prime is 163159967. The next prime is 163160009. The reversal of 163159992 is 299951361.

It is a happy number.

163159992 is a `hidden beast` number, since 1 + 631 + 5 + 9 + 9 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54634 + ... + 57542.

Almost surely, 2^163159992 is an apocalyptic number.

163159992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163159992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238329000).

163159992 is an abundant number, since it is smaller than the sum of its proper divisors (313498008).

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

163159992 is a wasteful number, since it uses less digits than its factorization.

163159992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981 (or 2974 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 163159992 is about 12773.4095683181. The cubic root of 163159992 is about 546.4342236723.

The spelling of 163159992 in words is "one hundred sixty-three million, one hundred fifty-nine thousand, nine hundred ninety-two".