195802640860 has 24 divisors (see below), whose sum is σ = 412785500400. Its totient is φ = 78016303104.

The previous prime is 195802640849. The next prime is 195802640893. The reversal of 195802640860 is 68046208591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19041810 + ... + 19052089.

It is an arithmetic number, because the mean of its divisors is an integer number (17199395850).

Almost surely, 2^195802640860 is an apocalyptic number.

195802640860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195802640860 is an abundant number, since it is smaller than the sum of its proper divisors (216982859540).

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

195802640860 is a wasteful number, since it uses less digits than its factorization.

195802640860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38094165 (or 38094163 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 195802640860 in words is "one hundred ninety-five billion, eight hundred two million, six hundred forty thousand, eight hundred sixty".