161159436196 has 48 divisors (see below), whose sum is σ = 315389313792. Its totient is φ = 71418348800.

The previous prime is 161159436091. The next prime is 161159436211. The reversal of 161159436196 is 691634951161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2652510 + ... + 2712586.

It is an arithmetic number, because the mean of its divisors is an integer number (6570610704).

Almost surely, 2^161159436196 is an apocalyptic number.

It is an amenable number.

161159436196 is a deficient number, since it is larger than the sum of its proper divisors (154229877596).

161159436196 is a wasteful number, since it uses less digits than its factorization.

161159436196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61620 (or 61618 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 52.

The spelling of 161159436196 in words is "one hundred sixty-one billion, one hundred fifty-nine million, four hundred thirty-six thousand, one hundred ninety-six".