195495553792 has 144 divisors (see below), whose sum is σ = 499668325632. Its totient is φ = 74108252160.

The previous prime is 195495553783. The next prime is 195495553823. The reversal of 195495553792 is 297355594591.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595323 + ... + 863365.

It is an arithmetic number, because the mean of its divisors is an integer number (3469918928).

Almost surely, 2^195495553792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195495553792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249834162816).

195495553792 is an abundant number, since it is smaller than the sum of its proper divisors (304172771840).

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

195495553792 is a wasteful number, since it uses less digits than its factorization.

195495553792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268114 (or 268100 counting only the distinct ones).

The product of its digits is 76545000, while the sum is 64.

The spelling of 195495553792 in words is "one hundred ninety-five billion, four hundred ninety-five million, five hundred fifty-three thousand, seven hundred ninety-two".