198112390835 has 8 divisors (see below), whose sum is σ = 245403735936. Its totient is φ = 153377334720.

The previous prime is 198112390831. The next prime is 198112390859. The reversal of 198112390835 is 538093211891.

198112390835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198112390835 - 2² = 198112390831 is a prime.

It is a super-3 number, since 3×198112390835³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198112390831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639072074 + ... + 639072383.

It is an arithmetic number, because the mean of its divisors is an integer number (30675466992).

Almost surely, 2^198112390835 is an apocalyptic number.

198112390835 is a deficient number, since it is larger than the sum of its proper divisors (47291345101).

198112390835 is a wasteful number, since it uses less digits than its factorization.

198112390835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278144493.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 198112390835 in words is "one hundred ninety-eight billion, one hundred twelve million, three hundred ninety thousand, eight hundred thirty-five".