198769636704 has 48 divisors (see below), whose sum is σ = 522833088960. Its totient is φ = 66121587840.

The previous prime is 198769636699. The next prime is 198769636711. The reversal of 198769636704 is 407636967891.

It is a tau number, because it is divible by the number of its divisors (48).

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, 2061334 + ... + 2155605.

It is an arithmetic number, because the mean of its divisors is an integer number (10892356020).

Almost surely, 2^198769636704 is an apocalyptic number.

It is an amenable number.

198769636704 is an abundant number, since it is smaller than the sum of its proper divisors (324063452256).

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

198769636704 is a wasteful number, since it uses less digits than its factorization.

198769636704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217443 (or 4217435 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 66.

The spelling of 198769636704 in words is "one hundred ninety-eight billion, seven hundred sixty-nine million, six hundred thirty-six thousand, seven hundred four".