195195165156 has 144 divisors (see below), whose sum is σ = 518593420800. Its totient is φ = 61819946496.

The previous prime is 195195165149. The next prime is 195195165169. The reversal of 195195165156 is 651561591591.

It is a happy number.

195195165156 is a `hidden beast` number, since 1 + 9 + 519 + 51 + 65 + 15 + 6 = 666.

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, 36502875 + ... + 36508221.

It is an arithmetic number, because the mean of its divisors is an integer number (3601343200).

Almost surely, 2^195195165156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195195165156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259296710400).

195195165156 is an abundant number, since it is smaller than the sum of its proper divisors (323398255644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195195165156 is a wasteful number, since it uses less digits than its factorization.

195195165156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5938 (or 5933 counting only the distinct ones).

The product of its digits is 1822500, while the sum is 54.

The spelling of 195195165156 in words is "one hundred ninety-five billion, one hundred ninety-five million, one hundred sixty-five thousand, one hundred fifty-six".