68297350636 has 12 divisors (see below), whose sum is σ = 121203749520. Its totient is φ = 33667707920.

The previous prime is 68297350523. The next prime is 68297350661. The reversal of 68297350636 is 63605379286.

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, 120241531 + ... + 120242098.

It is an arithmetic number, because the mean of its divisors is an integer number (10100312460).

Almost surely, 2^68297350636 is an apocalyptic number.

It is an amenable number.

68297350636 is a deficient number, since it is larger than the sum of its proper divisors (52906398884).

68297350636 is a wasteful number, since it uses less digits than its factorization.

68297350636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240483704 (or 240483702 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 68297350636 in words is "sixty-eight billion, two hundred ninety-seven million, three hundred fifty thousand, six hundred thirty-six".