67668522586674 has 16 divisors (see below), whose sum is σ = 135362907465312. Its totient is φ = 22551863813568.

The previous prime is 67668522586661. The next prime is 67668522586741. The reversal of 67668522586674 is 47668522586676.

It is a self number, because there is not a number n which added to its sum of digits gives 67668522586674.

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, 1077561484 + ... + 1077624279.

It is an arithmetic number, because the mean of its divisors is an integer number (8460181716582).

Almost surely, 2^{67668522586674} is an apocalyptic number.

67668522586674 is an abundant number, since it is smaller than the sum of its proper divisors (67694384878638).

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

67668522586674 is a wasteful number, since it uses less digits than its factorization.

67668522586674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155191001.

The product of its digits is 9754214400, while the sum is 78.

The spelling of 67668522586674 in words is "sixty-seven trillion, six hundred sixty-eight billion, five hundred twenty-two million, five hundred eighty-six thousand, six hundred seventy-four".