198112390836 has 24 divisors (see below), whose sum is σ = 463181269824. Its totient is φ = 65906174400.

The previous prime is 198112390831. The next prime is 198112390859. The reversal of 198112390836 is 638093211891.

198112390836 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198112390831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16404865 + ... + 16416936.

It is an arithmetic number, because the mean of its divisors is an integer number (19299219576).

Almost surely, 2^198112390836 is an apocalyptic number.

It is an amenable number.

198112390836 is an abundant number, since it is smaller than the sum of its proper divisors (265068878988).

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

198112390836 is a wasteful number, since it uses less digits than its factorization.

198112390836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32822311 (or 32822309 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 198112390836 in words is "one hundred ninety-eight billion, one hundred twelve million, three hundred ninety thousand, eight hundred thirty-six".