196177785668 has 12 divisors (see below), whose sum is σ = 343498636992. Its totient is φ = 98035317960.

The previous prime is 196177785659. The next prime is 196177785701. The reversal of 196177785668 is 866587771691.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13385480 + ... + 13400127.

It is an arithmetic number, because the mean of its divisors is an integer number (28624886416).

Almost surely, 2^196177785668 is an apocalyptic number.

It is an amenable number.

196177785668 is a deficient number, since it is larger than the sum of its proper divisors (147320851324).

196177785668 is a wasteful number, since it uses less digits than its factorization.

196177785668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26787442 (or 26787440 counting only the distinct ones).

The product of its digits is 213373440, while the sum is 71.

The spelling of 196177785668 in words is "one hundred ninety-six billion, one hundred seventy-seven million, seven hundred eighty-five thousand, six hundred sixty-eight".