156011561163 has 32 divisors (see below), whose sum is σ = 236677985280. Its totient is φ = 101513895840.

The previous prime is 156011561161. The next prime is 156011561171. The reversal of 156011561163 is 361165110651.

156011561163 is a `hidden beast` number, since 15 + 60 + 11 + 561 + 16 + 3 = 666.

It is not a de Polignac number, because 156011561163 - 2¹ = 156011561161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156011561161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1545118 + ... + 1642988.

It is an arithmetic number, because the mean of its divisors is an integer number (7396187040).

Almost surely, 2^156011561163 is an apocalyptic number.

156011561163 is a deficient number, since it is larger than the sum of its proper divisors (80666424117).

156011561163 is a wasteful number, since it uses less digits than its factorization.

156011561163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99296 (or 99290 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 156011561163 in words is "one hundred fifty-six billion, eleven million, five hundred sixty-one thousand, one hundred sixty-three".