159812992 has 16 divisors (see below), whose sum is σ = 318377700. Its totient is φ = 79906432.

The previous prime is 159812981. The next prime is 159813013. The reversal of 159812992 is 299218951.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624142 + ... + 624397.

Almost surely, 2^159812992 is an apocalyptic number.

It is an amenable number.

159812992 is a deficient number, since it is larger than the sum of its proper divisors (158564708).

159812992 is an equidigital number, since it uses as much as digits as its factorization.

159812992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248553 (or 1248541 counting only the distinct ones).

The product of its digits is 116640, while the sum is 46.

The square root of 159812992 is about 12641.7163391685. The cubic root of 159812992 is about 542.6719334415.

The spelling of 159812992 in words is "one hundred fifty-nine million, eight hundred twelve thousand, nine hundred ninety-two".