196112977290 has 48 divisors (see below), whose sum is σ = 512310348576. Its totient is φ = 52048936800.

The previous prime is 196112977283. The next prime is 196112977339. The reversal of 196112977290 is 92779211691.

196112977290 is a `hidden beast` number, since 1 + 9 + 61 + 1 + 297 + 7 + 290 = 666.

It is a Curzon 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, 5144596 + ... + 5182575.

It is an arithmetic number, because the mean of its divisors is an integer number (10673132262).

Almost surely, 2^196112977290 is an apocalyptic number.

196112977290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196112977290 is an abundant number, since it is smaller than the sum of its proper divisors (316197371286).

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

196112977290 is a wasteful number, since it uses less digits than its factorization.

196112977290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327395 (or 10327392 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 54.

The spelling of 196112977290 in words is "one hundred ninety-six billion, one hundred twelve million, nine hundred seventy-seven thousand, two hundred ninety".