195122660 has 12 divisors (see below), whose sum is σ = 409757628. Its totient is φ = 78049056.

The previous prime is 195122659. The next prime is 195122671. The reversal of 195122660 is 66221591.

It is a happy number.

195122660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29073664 + 166048996 = 5392^2 + 12886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4878047 + ... + 4878086.

It is an arithmetic number, because the mean of its divisors is an integer number (34146469).

Almost surely, 2^195122660 is an apocalyptic number.

195122660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195122660 is an abundant number, since it is smaller than the sum of its proper divisors (214634968).

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

195122660 is a wasteful number, since it uses less digits than its factorization.

195122660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756142 (or 9756140 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 195122660 is about 13968.6312858490. The cubic root of 195122660 is about 580.0105626297.

The spelling of 195122660 in words is "one hundred ninety-five million, one hundred twenty-two thousand, six hundred sixty".