198610469215488 has 216 divisors, whose sum is σ = 631720519335360. Its totient is φ = 59508754145280.

The previous prime is 198610469215451. The next prime is 198610469215507. The reversal of 198610469215488 is 884512964016891.

It is a happy number.

198610469215488 is a `hidden beast` number, since 1 + 9 + 8 + 6 + 1 + 0 + 46 + 92 + 15 + 488 = 666.

It is a super-2 number, since 2×198610469215488² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 41770156 + ... + 46281387.

It is an arithmetic number, because the mean of its divisors is an integer number (2924632033960).

Almost surely, 2^{198610469215488} is an apocalyptic number.

198610469215488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

198610469215488 is an abundant number, since it is smaller than the sum of its proper divisors (433110050119872).

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

198610469215488 is a wasteful number, since it uses less digits than its factorization.

198610469215488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88051665 (or 88051648 counting only the distinct ones).

The product of its (nonzero) digits is 238878720, while the sum is 72.

The spelling of 198610469215488 in words is "one hundred ninety-eight trillion, six hundred ten billion, four hundred sixty-nine million, two hundred fifteen thousand, four hundred eighty-eight".