68159516 has 12 divisors (see below), whose sum is σ = 120913632. Its totient is φ = 33612768.

The previous prime is 68159467. The next prime is 68159527. The reversal of 68159516 is 61595186.

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, 116420 + ... + 117003.

It is an arithmetic number, because the mean of its divisors is an integer number (10076136).

Almost surely, 2^68159516 is an apocalyptic number.

It is an amenable number.

68159516 is a deficient number, since it is larger than the sum of its proper divisors (52754116).

68159516 is a wasteful number, since it uses less digits than its factorization.

68159516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233500 (or 233498 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 68159516 is about 8255.8776638223. The cubic root of 68159516 is about 408.4844223702.

The spelling of 68159516 in words is "sixty-eight million, one hundred fifty-nine thousand, five hundred sixteen".