198218911082 has 16 divisors (see below), whose sum is σ = 324973700352. Its totient is φ = 90270471360.

The previous prime is 198218911061. The next prime is 198218911087. The reversal of 198218911082 is 280119812891.

It is a self number, because there is not a number n which added to its sum of digits gives 198218911082.

It is not an unprimeable number, because it can be changed into a prime (198218911087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94030688 + ... + 94032795.

It is an arithmetic number, because the mean of its divisors is an integer number (20310856272).

Almost surely, 2^198218911082 is an apocalyptic number.

198218911082 is a deficient number, since it is larger than the sum of its proper divisors (126754789270).

198218911082 is a wasteful number, since it uses less digits than its factorization.

198218911082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188063533.

The product of its (nonzero) digits is 165888, while the sum is 50.

The spelling of 198218911082 in words is "one hundred ninety-eight billion, two hundred eighteen million, nine hundred eleven thousand, eighty-two".