198193318222094 has 64 divisors (see below), whose sum is σ = 342352495779840. Its totient is φ = 85352977100160.

The previous prime is 198193318222087. The next prime is 198193318222099. The reversal of 198193318222094 is 490222813391891.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198193318222099) 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, 11161247 + ... + 22824549.

It is an arithmetic number, because the mean of its divisors is an integer number (5349257746560).

Almost surely, 2^{198193318222094} is an apocalyptic number.

198193318222094 is a deficient number, since it is larger than the sum of its proper divisors (144159177557746).

198193318222094 is a wasteful number, since it uses less digits than its factorization.

198193318222094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11664105.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 198193318222094 in words is "one hundred ninety-eight trillion, one hundred ninety-three billion, three hundred eighteen million, two hundred twenty-two thousand, ninety-four".