18812196076198 has 48 divisors (see below), whose sum is σ = 33181136415504. Its totient is φ = 7975073756160.

The previous prime is 18812196076169. The next prime is 18812196076211. The reversal of 18812196076198 is 89167069121881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17667733 + ... + 18702223.

It is an arithmetic number, because the mean of its divisors is an integer number (691273675323).

Almost surely, 2^{18812196076198} is an apocalyptic number.

18812196076198 is a deficient number, since it is larger than the sum of its proper divisors (14368940339306).

18812196076198 is a wasteful number, since it uses less digits than its factorization.

18812196076198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036517 (or 1036510 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 67.

The spelling of 18812196076198 in words is "eighteen trillion, eight hundred twelve billion, one hundred ninety-six million, seventy-six thousand, one hundred ninety-eight".