68633661695 has 8 divisors (see below), whose sum is σ = 83710564800. Its totient is φ = 54006815520.

The previous prime is 68633661683. The next prime is 68633661703. The reversal of 68633661695 is 59616633686.

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

It is not a de Polignac number, because 68633661695 - 2¹⁰ = 68633660671 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112513895 + ... + 112514504.

It is an arithmetic number, because the mean of its divisors is an integer number (10463820600).

Almost surely, 2^68633661695 is an apocalyptic number.

68633661695 is a deficient number, since it is larger than the sum of its proper divisors (15076903105).

68633661695 is a wasteful number, since it uses less digits than its factorization.

68633661695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225028465.

The product of its digits is 25194240, while the sum is 59.

The spelling of 68633661695 in words is "sixty-eight billion, six hundred thirty-three million, six hundred sixty-one thousand, six hundred ninety-five".