68159694 has 8 divisors (see below), whose sum is σ = 136319400. Its totient is φ = 22719896.

The previous prime is 68159659. The next prime is 68159737. The reversal of 68159694 is 49695186.

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

68159694 is an admirable number.

It is a congruent number.

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, 5679969 + ... + 5679980.

It is an arithmetic number, because the mean of its divisors is an integer number (17039925).

Almost surely, 2^68159694 is an apocalyptic number.

68159694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68159694 is a wasteful number, since it uses less digits than its factorization.

68159694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359954.

The product of its digits is 466560, while the sum is 48.

The square root of 68159694 is about 8255.8884440138. Note that the first 3 decimals coincide. The cubic root of 68159694 is about 408.4847779585.

The spelling of 68159694 in words is "sixty-eight million, one hundred fifty-nine thousand, six hundred ninety-four".