67352720623164 has 18 divisors (see below), whose sum is σ = 170252710464200. Its totient is φ = 22450906874376.

The previous prime is 67352720623151. The next prime is 67352720623187. The reversal of 67352720623164 is 46132602725376.

67352720623164 is a `hidden beast` number, since 6 + 7 + 3 + 5 + 2 + 7 + 2 + 0 + 623 + 1 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 67352720623164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 935454453064 + ... + 935454453135.

Almost surely, 2^{67352720623164} is an apocalyptic number.

It is an amenable number.

67352720623164 is an abundant number, since it is smaller than the sum of its proper divisors (102899989841036).

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

67352720623164 is a wasteful number, since it uses less digits than its factorization.

67352720623164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870908906209 (or 1870908906204 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 67352720623164 in words is "sixty-seven trillion, three hundred fifty-two billion, seven hundred twenty million, six hundred twenty-three thousand, one hundred sixty-four".