68593831936 has 208 divisors, whose sum is σ = 163012695040. Its totient is φ = 28240773120.

The previous prime is 68593831897. The next prime is 68593831973. The reversal of 68593831936 is 63913839586.

It is a super-2 number, since 2×68593831936² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203542360 + ... + 203542696.

It is an arithmetic number, because the mean of its divisors is an integer number (783714880).

Almost surely, 2^68593831936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68593831936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81506347520).

68593831936 is an abundant number, since it is smaller than the sum of its proper divisors (94418863104).

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

68593831936 is a wasteful number, since it uses less digits than its factorization.

68593831936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 606 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 61.

The spelling of 68593831936 in words is "sixty-eight billion, five hundred ninety-three million, eight hundred thirty-one thousand, nine hundred thirty-six".