198475845846 has 16 divisors (see below), whose sum is σ = 414210461184. Its totient is φ = 63282153704.

The previous prime is 198475845811. The next prime is 198475845857. The reversal of 198475845846 is 648548574891.

It is a super-2 number, since 2×198475845846² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719115246 + ... + 719115521.

It is an arithmetic number, because the mean of its divisors is an integer number (25888153824).

Almost surely, 2^198475845846 is an apocalyptic number.

198475845846 is an abundant number, since it is smaller than the sum of its proper divisors (215734615338).

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

198475845846 is a wasteful number, since it uses less digits than its factorization.

198475845846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438230795.

The product of its digits is 309657600, while the sum is 69.

The spelling of 198475845846 in words is "one hundred ninety-eight billion, four hundred seventy-five million, eight hundred forty-five thousand, eight hundred forty-six".