195153564 has 12 divisors (see below), whose sum is σ = 455358344. Its totient is φ = 65051184.

The previous prime is 195153559. The next prime is 195153583. The reversal of 195153564 is 465351591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 8131387 + ... + 8131410.

Almost surely, 2^195153564 is an apocalyptic number.

It is an amenable number.

195153564 is an abundant number, since it is smaller than the sum of its proper divisors (260204780).

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

195153564 is a wasteful number, since it uses less digits than its factorization.

195153564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16262804 (or 16262802 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The square root of 195153564 is about 13969.7374348983. The cubic root of 195153564 is about 580.0411821729.

The spelling of 195153564 in words is "one hundred ninety-five million, one hundred fifty-three thousand, five hundred sixty-four".