195902794144 has 48 divisors (see below), whose sum is σ = 416955319200. Its totient is φ = 90288048384.

The previous prime is 195902794111. The next prime is 195902794189. The reversal of 195902794144 is 441497209591.

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, 4331674 + ... + 4376665.

It is an arithmetic number, because the mean of its divisors is an integer number (8686569150).

Almost surely, 2^195902794144 is an apocalyptic number.

It is an amenable number.

195902794144 is an abundant number, since it is smaller than the sum of its proper divisors (221052525056).

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

195902794144 is a wasteful number, since it uses less digits than its factorization.

195902794144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708405 (or 8708397 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 195902794144 in words is "one hundred ninety-five billion, nine hundred two million, seven hundred ninety-four thousand, one hundred forty-four".