68913672192 has 78 divisors (see below), whose sum is σ = 199059746132. Its totient is φ = 22971211776.

The previous prime is 68913672169. The next prime is 68913672227. The reversal of 68913672192 is 29127631986.

68913672192 is a `hidden beast` number, since 6 + 8 + 91 + 367 + 2 + 192 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 897838 + ... + 971565.

Almost surely, 2^68913672192 is an apocalyptic number.

It is an amenable number.

68913672192 is an abundant number, since it is smaller than the sum of its proper divisors (130146073940).

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

68913672192 is a wasteful number, since it uses less digits than its factorization.

68913672192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869433 (or 1869408 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 68913672192 in words is "sixty-eight billion, nine hundred thirteen million, six hundred seventy-two thousand, one hundred ninety-two".