195319884156 has 24 divisors (see below), whose sum is σ = 468063867600. Its totient is φ = 63346989312.

The previous prime is 195319884091. The next prime is 195319884241. The reversal of 195319884156 is 651488913591.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 195319884156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219954381 + ... + 219955268.

It is an arithmetic number, because the mean of its divisors is an integer number (19502661150).

Almost surely, 2^195319884156 is an apocalyptic number.

It is an amenable number.

195319884156 is an abundant number, since it is smaller than the sum of its proper divisors (272743983444).

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

195319884156 is a wasteful number, since it uses less digits than its factorization.

195319884156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439909693 (or 439909691 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 60.

The spelling of 195319884156 in words is "one hundred ninety-five billion, three hundred nineteen million, eight hundred eighty-four thousand, one hundred fifty-six".