161130521195 has 32 divisors (see below), whose sum is σ = 223684433280. Its totient is φ = 109141862400.

The previous prime is 161130521191. The next prime is 161130521207. The reversal of 161130521195 is 591125031161.

It is not a de Polignac number, because 161130521195 - 2² = 161130521191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (161130521191) 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, 1478021 + ... + 1583289.

It is an arithmetic number, because the mean of its divisors is an integer number (6990138540).

Almost surely, 2^161130521195 is an apocalyptic number.

161130521195 is a deficient number, since it is larger than the sum of its proper divisors (62553912085).

161130521195 is a wasteful number, since it uses less digits than its factorization.

161130521195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105815.

The product of its (nonzero) digits is 8100, while the sum is 35.

The spelling of 161130521195 in words is "one hundred sixty-one billion, one hundred thirty million, five hundred twenty-one thousand, one hundred ninety-five".