68575197936 has 160 divisors (see below), whose sum is σ = 218876546560. Its totient is φ = 18059977728.

The previous prime is 68575197931. The next prime is 68575197937. The reversal of 68575197936 is 63979157586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68575197931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91050 + ... + 381366.

It is an arithmetic number, because the mean of its divisors is an integer number (1367978416).

Almost surely, 2^68575197936 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 68575197936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109438273280).

68575197936 is an abundant number, since it is smaller than the sum of its proper divisors (150301348624).

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

68575197936 is a wasteful number, since it uses less digits than its factorization.

68575197936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290391 (or 290385 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 66.

The spelling of 68575197936 in words is "sixty-eight billion, five hundred seventy-five million, one hundred ninety-seven thousand, nine hundred thirty-six".