198153063864 has 48 divisors (see below), whose sum is σ = 613330913520. Its totient is φ = 56615160960.

The previous prime is 198153063839. The next prime is 198153063887. The reversal of 198153063864 is 468360351891.

198153063864 is a `hidden beast` number, since 19 + 8 + 1 + 530 + 6 + 38 + 64 = 666.

It is a super-2 number, since 2×198153063864² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 198153063864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196579917 + ... + 196580924.

It is an arithmetic number, because the mean of its divisors is an integer number (12777727365).

Almost surely, 2^198153063864 is an apocalyptic number.

198153063864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

198153063864 is an abundant number, since it is smaller than the sum of its proper divisors (415177849656).

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

198153063864 is a wasteful number, since it uses less digits than its factorization.

198153063864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393160860 (or 393160853 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 198153063864 in words is "one hundred ninety-eight billion, one hundred fifty-three million, sixty-three thousand, eight hundred sixty-four".