195995565054 has 20 divisors (see below), whose sum is σ = 439175247984. Its totient is φ = 65331854964.

The previous prime is 195995565043. The next prime is 195995565137. The reversal of 195995565054 is 450565599591.

195995565054 is a `hidden beast` number, since 19 + 5 + 9 + 9 + 5 + 565 + 0 + 54 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 195995564982 and 195995565000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 604924422 + ... + 604924745.

Almost surely, 2^195995565054 is an apocalyptic number.

195995565054 is an abundant number, since it is smaller than the sum of its proper divisors (243179682930).

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

195995565054 is a wasteful number, since it uses less digits than its factorization.

195995565054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209849181 (or 1209849172 counting only the distinct ones).

The product of its (nonzero) digits is 54675000, while the sum is 63.

The spelling of 195995565054 in words is "one hundred ninety-five billion, nine hundred ninety-five million, five hundred sixty-five thousand, fifty-four".