68606097864 has 128 divisors (see below), whose sum is σ = 185442048000. Its totient is φ = 21080957184.

The previous prime is 68606097839. The next prime is 68606097893. The reversal of 68606097864 is 46879060686.

It is a junction number, because it is equal to n+sod(n) for n = 68606097798 and 68606097807.

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, 5268049 + ... + 5281055.

It is an arithmetic number, because the mean of its divisors is an integer number (1448766000).

Almost surely, 2^68606097864 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 68606097864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92721024000).

68606097864 is an abundant number, since it is smaller than the sum of its proper divisors (116835950136).

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

68606097864 is a wasteful number, since it uses less digits than its factorization.

68606097864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347 (or 13343 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 68606097864 in words is "sixty-eight billion, six hundred six million, ninety-seven thousand, eight hundred sixty-four".