198064499292 has 72 divisors (see below), whose sum is σ = 566406701952. Its totient is φ = 60019542000.

The previous prime is 198064499279. The next prime is 198064499323. The reversal of 198064499292 is 292994460891.

198064499292 is a `hidden beast` number, since 1 + 9 + 80 + 64 + 499 + 2 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9251584 + ... + 9272967.

Almost surely, 2^198064499292 is an apocalyptic number.

198064499292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198064499292 is an abundant number, since it is smaller than the sum of its proper divisors (368342202660).

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

198064499292 is a wasteful number, since it uses less digits than its factorization.

198064499292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18524581 (or 18524567 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 198064499292 in words is "one hundred ninety-eight billion, sixty-four million, four hundred ninety-nine thousand, two hundred ninety-two".