198792986022 has 64 divisors (see below), whose sum is σ = 477580838400. Its totient is φ = 61080052320.

The previous prime is 198792986017. The next prime is 198792986023. The reversal of 198792986022 is 220689297891.

It is a happy number.

198792986022 is a `hidden beast` number, since 19 + 8 + 7 + 9 + 2 + 9 + 8 + 602 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198792986023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2580354 + ... + 2656277.

It is an arithmetic number, because the mean of its divisors is an integer number (7462200600).

Almost surely, 2^198792986022 is an apocalyptic number.

198792986022 is an abundant number, since it is smaller than the sum of its proper divisors (278787852378).

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

198792986022 is a wasteful number, since it uses less digits than its factorization.

198792986022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236698 (or 5236692 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 198792986022 in words is "one hundred ninety-eight billion, seven hundred ninety-two million, nine hundred eighty-six thousand, twenty-two".