159156802972 has 12 divisors (see below), whose sum is σ = 278549217576. Its totient is φ = 79571312240.

The previous prime is 159156802919. The next prime is 159156802997. The reversal of 159156802972 is 279208651951.

159156802972 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721638 + ... + 1811725.

It is an arithmetic number, because the mean of its divisors is an integer number (23212434798).

Almost surely, 2^159156802972 is an apocalyptic number.

It is an amenable number.

159156802972 is a deficient number, since it is larger than the sum of its proper divisors (119392414604).

159156802972 is a wasteful number, since it uses less digits than its factorization.

159156802972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544628 (or 3544626 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 159156802972 in words is "one hundred fifty-nine billion, one hundred fifty-six million, eight hundred two thousand, nine hundred seventy-two".