68367607656 has 16 divisors (see below), whose sum is σ = 170919019200. Its totient is φ = 22789202544.

The previous prime is 68367607601. The next prime is 68367607673. The reversal of 68367607656 is 65670676386.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68367607656.

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, 1424325136 + ... + 1424325183.

It is an arithmetic number, because the mean of its divisors is an integer number (10682438700).

Almost surely, 2^68367607656 is an apocalyptic number.

It is an amenable number.

68367607656 is an abundant number, since it is smaller than the sum of its proper divisors (102551411544).

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

68367607656 is a wasteful number, since it uses less digits than its factorization.

68367607656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848650328 (or 2848650324 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 68367607656 in words is "sixty-eight billion, three hundred sixty-seven million, six hundred seven thousand, six hundred fifty-six".