30555864198 has 32 divisors (see below), whose sum is σ = 67966045920. Its totient is φ = 10175669280.

The previous prime is 30555864197. The next prime is 30555864233. The reversal of 30555864198 is 89146855503.

30555864198 is a `hidden beast` number, since 3 + 0 + 55 + 586 + 4 + 1 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30555864193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209365 + ... + 323952.

It is an arithmetic number, because the mean of its divisors is an integer number (2123938935).

Almost surely, 2^30555864198 is an apocalyptic number.

30555864198 is an abundant number, since it is smaller than the sum of its proper divisors (37410181722).

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

30555864198 is a wasteful number, since it uses less digits than its factorization.

30555864198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534389 (or 534383 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 30555864198 in words is "thirty billion, five hundred fifty-five million, eight hundred sixty-four thousand, one hundred ninety-eight".