195994368 has 108 divisors (see below), whose sum is σ = 569012808. Its totient is φ = 64880640.

The previous prime is 195994333. The next prime is 195994399. The reversal of 195994368 is 863499591.

195994368 is a `hidden beast` number, since 1 + 9 + 599 + 43 + 6 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591963 + ... + 592293.

Almost surely, 2^195994368 is an apocalyptic number.

195994368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195994368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284506404).

195994368 is an abundant number, since it is smaller than the sum of its proper divisors (373018440).

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

195994368 is a wasteful number, since it uses less digits than its factorization.

195994368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 593 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 195994368 is about 13999.7988556979. The cubic root of 195994368 is about 580.8730095137.

The spelling of 195994368 in words is "one hundred ninety-five million, nine hundred ninety-four thousand, three hundred sixty-eight".