197858112192 has 84 divisors (see below), whose sum is σ = 610749543040. Its totient is φ = 60879416832.

The previous prime is 197858112181. The next prime is 197858112197. The reversal of 197858112192 is 291211858791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (197858112197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13204192 + ... + 13219167.

Almost surely, 2^197858112192 is an apocalyptic number.

197858112192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197858112192 is an abundant number, since it is smaller than the sum of its proper divisors (412891430848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197858112192 is a wasteful number, since it uses less digits than its factorization.

197858112192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26423390 (or 26423377 counting only the distinct ones).

The product of its digits is 725760, while the sum is 54.

The spelling of 197858112192 in words is "one hundred ninety-seven billion, eight hundred fifty-eight million, one hundred twelve thousand, one hundred ninety-two".