159057996 has 12 divisors (see below), whose sum is σ = 371135352. Its totient is φ = 53019328.

The previous prime is 159057991. The next prime is 159058007. The reversal of 159057996 is 699750951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (159057991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6627405 + ... + 6627428.

It is an arithmetic number, because the mean of its divisors is an integer number (30927946).

Almost surely, 2^159057996 is an apocalyptic number.

It is an amenable number.

159057996 is an abundant number, since it is smaller than the sum of its proper divisors (212077356).

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

159057996 is a wasteful number, since it uses less digits than its factorization.

159057996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13254840 (or 13254838 counting only the distinct ones).

The product of its (nonzero) digits is 765450, while the sum is 51.

The square root of 159057996 is about 12611.8196942392. The cubic root of 159057996 is about 541.8160121318.

The spelling of 159057996 in words is "one hundred fifty-nine million, fifty-seven thousand, nine hundred ninety-six".