68156650831104 has 288 divisors, whose sum is σ = 225236835895680. Its totient is φ = 20149784985600.

The previous prime is 68156650831091. The next prime is 68156650831187. The reversal of 68156650831104 is 40113805665186.

68156650831104 is a `hidden beast` number, since 6 + 8 + 15 + 6 + 6 + 508 + 3 + 110 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7814647 + ... + 14049270.

It is an arithmetic number, because the mean of its divisors is an integer number (782072346860).

Almost surely, 2^{68156650831104} is an apocalyptic number.

68156650831104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68156650831104 is an abundant number, since it is smaller than the sum of its proper divisors (157080185064576).

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

68156650831104 is a wasteful number, since it uses less digits than its factorization.

68156650831104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21863994 (or 21863974 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 68156650831104 in words is "sixty-eight trillion, one hundred fifty-six billion, six hundred fifty million, eight hundred thirty-one thousand, one hundred four".