198174656106 has 64 divisors (see below), whose sum is σ = 503347004160. Its totient is φ = 56616122880.

The previous prime is 198174656051. The next prime is 198174656107. The reversal of 198174656106 is 601656471891.

198174656106 is a `hidden beast` number, since 1 + 9 + 8 + 1 + 74 + 6 + 561 + 0 + 6 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (198174656107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6244230 + ... + 6275886.

It is an arithmetic number, because the mean of its divisors is an integer number (7864796940).

Almost surely, 2^198174656106 is an apocalyptic number.

198174656106 is an abundant number, since it is smaller than the sum of its proper divisors (305172348054).

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

198174656106 is a wasteful number, since it uses less digits than its factorization.

198174656106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48236 (or 48230 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 198174656106 in words is "one hundred ninety-eight billion, one hundred seventy-four million, six hundred fifty-six thousand, one hundred six".