159646031955 has 48 divisors (see below), whose sum is σ = 279706489920. Its totient is φ = 84228076800.

The previous prime is 159646031917. The next prime is 159646032001. The reversal of 159646031955 is 559130646951.

159646031955 is a `hidden beast` number, since 1 + 5 + 96 + 460 + 3 + 1 + 95 + 5 = 666.

It is not a de Polignac number, because 159646031955 - 2¹⁰ = 159646030931 is a prime.

It is a super-2 number, since 2×159646031955² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3069265 + ... + 3120845.

It is an arithmetic number, because the mean of its divisors is an integer number (5827218540).

Almost surely, 2^159646031955 is an apocalyptic number.

159646031955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159646031955 is a deficient number, since it is larger than the sum of its proper divisors (120060457965).

159646031955 is a wasteful number, since it uses less digits than its factorization.

159646031955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52332 (or 52329 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 159646031955 in words is "one hundred fifty-nine billion, six hundred forty-six million, thirty-one thousand, nine hundred fifty-five".