68692574661 has 8 divisors (see below), whose sum is σ = 91983191040. Its totient is φ = 45598504032.

The previous prime is 68692574579. The next prime is 68692574677. The reversal of 68692574661 is 16647529686.

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

It is not a de Polignac number, because 68692574661 - 2¹³ = 68692566469 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68692574595 and 68692574604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68692574161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49135621 + ... + 49137018.

It is an arithmetic number, because the mean of its divisors is an integer number (11497898880).

Almost surely, 2^68692574661 is an apocalyptic number.

It is an amenable number.

68692574661 is a deficient number, since it is larger than the sum of its proper divisors (23290616379).

68692574661 is a wasteful number, since it uses less digits than its factorization.

68692574661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98272875.

The product of its digits is 26127360, while the sum is 60.

The spelling of 68692574661 in words is "sixty-eight billion, six hundred ninety-two million, five hundred seventy-four thousand, six hundred sixty-one".