68938166484 has 36 divisors (see below), whose sum is σ = 190102217760. Its totient is φ = 20890353360.

The previous prime is 68938166467. The next prime is 68938166503. The reversal of 68938166484 is 48466183986.

68938166484 is a `hidden beast` number, since 6 + 8 + 93 + 8 + 1 + 66 + 484 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87042744 + ... + 87043535.

It is an arithmetic number, because the mean of its divisors is an integer number (5280617160).

Almost surely, 2^68938166484 is an apocalyptic number.

It is an amenable number.

68938166484 is an abundant number, since it is smaller than the sum of its proper divisors (121164051276).

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

68938166484 is a wasteful number, since it uses less digits than its factorization.

68938166484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174086300 (or 174086295 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 63.

The spelling of 68938166484 in words is "sixty-eight billion, nine hundred thirty-eight million, one hundred sixty-six thousand, four hundred eighty-four".