195500655 has 32 divisors (see below), whose sum is σ = 397209600. Its totient is φ = 89371296.

The previous prime is 195500651. The next prime is 195500659. The reversal of 195500655 is 556005591.

195500655 is a `hidden beast` number, since 1 + 95 + 500 + 65 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (195500651) and next prime (195500659).

It is not a de Polignac number, because 195500655 - 2² = 195500651 is a prime.

It is a super-2 number, since 2×195500655² = 76441012210858050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195500651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102495 + ... + 104384.

It is an arithmetic number, because the mean of its divisors is an integer number (12412800).

Almost surely, 2^195500655 is an apocalyptic number.

195500655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195500655 is an abundant number, since it is smaller than the sum of its proper divisors (201708945).

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

195500655 is a wasteful number, since it uses less digits than its factorization.

195500655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206900 (or 206894 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

The square root of 195500655 is about 13982.1548768421. The cubic root of 195500655 is about 580.3848565435.

The spelling of 195500655 in words is "one hundred ninety-five million, five hundred thousand, six hundred fifty-five".