198690133404 has 48 divisors (see below), whose sum is σ = 531795547136. Its totient is φ = 56559124800.

The previous prime is 198690133381. The next prime is 198690133441. The reversal of 198690133404 is 404331096891.

It is a super-2 number, since 2×198690133404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4341367 + ... + 4386894.

Almost surely, 2^198690133404 is an apocalyptic number.

198690133404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

198690133404 is an abundant number, since it is smaller than the sum of its proper divisors (333105413732).

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

198690133404 is a wasteful number, since it uses less digits than its factorization.

198690133404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728546 (or 8728544 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 198690133404 in words is "one hundred ninety-eight billion, six hundred ninety million, one hundred thirty-three thousand, four hundred four".