195494688 has 48 divisors (see below), whose sum is σ = 570195360. Its totient is φ = 65164608.

The previous prime is 195494647. The next prime is 195494699. The reversal of 195494688 is 886494591.

195494688 is a `hidden beast` number, since 1 + 95 + 494 + 68 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 112270 + ... + 113997.

It is an arithmetic number, because the mean of its divisors is an integer number (11879070).

Almost surely, 2^195494688 is an apocalyptic number.

195494688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

195494688 is an abundant number, since it is smaller than the sum of its proper divisors (374700672).

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

195494688 is a wasteful number, since it uses less digits than its factorization.

195494688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226286 (or 226272 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 195494688 is about 13981.9414960870. The cubic root of 195494688 is about 580.3789517181.

The spelling of 195494688 in words is "one hundred ninety-five million, four hundred ninety-four thousand, six hundred eighty-eight".