195193686036 has 24 divisors (see below), whose sum is σ = 467761446880. Its totient is φ = 63306060192.

The previous prime is 195193686019. The next prime is 195193686059. The reversal of 195193686036 is 630686391591.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 219812266 + ... + 219813153.

Almost surely, 2^195193686036 is an apocalyptic number.

It is an amenable number.

195193686036 is an abundant number, since it is smaller than the sum of its proper divisors (272567760844).

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

195193686036 is a wasteful number, since it uses less digits than its factorization.

195193686036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439625463 (or 439625461 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 195193686036 in words is "one hundred ninety-five billion, one hundred ninety-three million, six hundred eighty-six thousand, thirty-six".