195153672 has 48 divisors (see below), whose sum is σ = 567542160. Its totient is φ = 55757856.

The previous prime is 195153671. The next prime is 195153691. The reversal of 195153672 is 276351591.

It is a self number, because there is not a number n which added to its sum of digits gives 195153672.

It is not an unprimeable number, because it can be changed into a prime (195153671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81798 + ... + 84149.

It is an arithmetic number, because the mean of its divisors is an integer number (11823795).

Almost surely, 2^195153672 is an apocalyptic number.

195153672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195153672 is an abundant number, since it is smaller than the sum of its proper divisors (372388488).

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

195153672 is a wasteful number, since it uses less digits than its factorization.

195153672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165970 (or 165959 counting only the distinct ones).

The product of its digits is 56700, while the sum is 39.

The square root of 195153672 is about 13969.7413003964. The cubic root of 195153672 is about 580.0412891732.

The spelling of 195153672 in words is "one hundred ninety-five million, one hundred fifty-three thousand, six hundred seventy-two".