195036618672 has 60 divisors (see below), whose sum is σ = 623807601040. Its totient is φ = 55724747904.

The previous prime is 195036618671. The next prime is 195036618691. The reversal of 195036618672 is 276816630591.

195036618672 is a `hidden beast` number, since 1 + 9 + 503 + 6 + 61 + 8 + 6 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (195036618671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96743347 + ... + 96745362.

Almost surely, 2^195036618672 is an apocalyptic number.

195036618672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195036618672 is an abundant number, since it is smaller than the sum of its proper divisors (428770982368).

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

195036618672 is a wasteful number, since it uses less digits than its factorization.

195036618672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193488730 (or 193488721 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 195036618672 in words is "one hundred ninety-five billion, thirty-six million, six hundred eighteen thousand, six hundred seventy-two".