195861435804 has 48 divisors (see below), whose sum is σ = 515367865600. Its totient is φ = 64312707888.

The previous prime is 195861435787. The next prime is 195861435811. The reversal of 195861435804 is 408534168591.

It is a happy number.

195861435804 is a `hidden beast` number, since 1 + 9 + 58 + 6 + 1 + 4 + 3 + 580 + 4 = 666.

195861435804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13526584 + ... + 13541055.

Almost surely, 2^195861435804 is an apocalyptic number.

It is an amenable number.

195861435804 is an abundant number, since it is smaller than the sum of its proper divisors (319506429796).

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

195861435804 is a wasteful number, since it uses less digits than its factorization.

195861435804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27067719 (or 27067711 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 195861435804 in words is "one hundred ninety-five billion, eight hundred sixty-one million, four hundred thirty-five thousand, eight hundred four".