195134664 has 16 divisors (see below), whose sum is σ = 487836720. Its totient is φ = 65044880.

The previous prime is 195134663. The next prime is 195134689. The reversal of 195134664 is 466431591.

It is not an unprimeable number, because it can be changed into a prime (195134663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4065282 + ... + 4065329.

It is an arithmetic number, because the mean of its divisors is an integer number (30489795).

Almost surely, 2^195134664 is an apocalyptic number.

It is an amenable number.

195134664 is an abundant number, since it is smaller than the sum of its proper divisors (292702056).

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

195134664 is a wasteful number, since it uses less digits than its factorization.

195134664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130620 (or 8130616 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 195134664 is about 13969.0609562705. The cubic root of 195134664 is about 580.0224565225.

The spelling of 195134664 in words is "one hundred ninety-five million, one hundred thirty-four thousand, six hundred sixty-four".