195868663632 has 120 divisors (see below), whose sum is σ = 580606678080. Its totient is φ = 61427635200.

The previous prime is 195868663607. The next prime is 195868663657. The reversal of 195868663632 is 236366868591.

195868663632 is a `hidden beast` number, since 19 + 586 + 8 + 6 + 6 + 3 + 6 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (195868663607) and next prime (195868663657).

It is a self number, because there is not a number n which added to its sum of digits gives 195868663632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7965757 + ... + 7990307.

It is an arithmetic number, because the mean of its divisors is an integer number (4838388984).

Almost surely, 2^195868663632 is an apocalyptic number.

195868663632 is a gapful number since it is divisible by the number (12) 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 195868663632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290303339040).

195868663632 is an abundant number, since it is smaller than the sum of its proper divisors (384738014448).

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

195868663632 is a wasteful number, since it uses less digits than its factorization.

195868663632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27841 (or 27832 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 195868663632 in words is "one hundred ninety-five billion, eight hundred sixty-eight million, six hundred sixty-three thousand, six hundred thirty-two".