198102812094 has 24 divisors (see below), whose sum is σ = 468243010872. Its totient is φ = 60031155120.

The previous prime is 198102812053. The next prime is 198102812123. The reversal of 198102812094 is 490218201891.

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, 500259429 + ... + 500259824.

It is an arithmetic number, because the mean of its divisors is an integer number (19510125453).

Almost surely, 2^198102812094 is an apocalyptic number.

198102812094 is an abundant number, since it is smaller than the sum of its proper divisors (270140198778).

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

198102812094 is a wasteful number, since it uses less digits than its factorization.

198102812094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000519272 (or 1000519269 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

It can be divided in two parts, 19810281 and 2094, that multiplied together give a palindrome (41482728414).

The spelling of 198102812094 in words is "one hundred ninety-eight billion, one hundred two million, eight hundred twelve thousand, ninety-four".