68153164839 has 24 divisors (see below), whose sum is σ = 100744750080. Its totient is φ = 44377285968.

The previous prime is 68153164823. The next prime is 68153164841. The reversal of 68153164839 is 93846135186.

68153164839 is a `hidden beast` number, since 6 + 8 + 153 + 1 + 6 + 483 + 9 = 666.

It is not a de Polignac number, because 68153164839 - 2⁴ = 68153164823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68153164879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40582 + ... + 371420.

It is an arithmetic number, because the mean of its divisors is an integer number (4197697920).

Almost surely, 2^68153164839 is an apocalyptic number.

68153164839 is a deficient number, since it is larger than the sum of its proper divisors (32591585241).

68153164839 is a wasteful number, since it uses less digits than its factorization.

68153164839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331379 (or 331376 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 68153164839 in words is "sixty-eight billion, one hundred fifty-three million, one hundred sixty-four thousand, eight hundred thirty-nine".