655832475198 has 64 divisors (see below), whose sum is σ = 1547507488320. Its totient is φ = 205168398336.

The previous prime is 655832475187. The next prime is 655832475211. The reversal of 655832475198 is 891574238556.

655832475198 is a `hidden beast` number, since 6 + 5 + 58 + 324 + 75 + 198 = 666.

655832475198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687865 + ... + 1335972.

It is an arithmetic number, because the mean of its divisors is an integer number (24179804505).

Almost surely, 2^655832475198 is an apocalyptic number.

655832475198 is an abundant number, since it is smaller than the sum of its proper divisors (891675013122).

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

655832475198 is a wasteful number, since it uses less digits than its factorization.

655832475198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024218 (or 2024212 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 655832475198 in words is "six hundred fifty-five billion, eight hundred thirty-two million, four hundred seventy-five thousand, one hundred ninety-eight".