198150674786 has 16 divisors (see below), whose sum is σ = 302322407136. Its totient is φ = 97383011616.

The previous prime is 198150674713. The next prime is 198150674807. The reversal of 198150674786 is 687476051891.

198150674786 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×198150674786² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556636 + ... + 1679111.

It is an arithmetic number, because the mean of its divisors is an integer number (18895150446).

Almost surely, 2^198150674786 is an apocalyptic number.

198150674786 is a deficient number, since it is larger than the sum of its proper divisors (104171732350).

198150674786 is a wasteful number, since it uses less digits than its factorization.

198150674786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236273.

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 198150674786 in words is "one hundred ninety-eight billion, one hundred fifty million, six hundred seventy-four thousand, seven hundred eighty-six".