68108325583 has 4 divisors (see below), whose sum is σ = 68133451248. Its totient is φ = 68083199920.

The previous prime is 68108325569. The next prime is 68108325641. The reversal of 68108325583 is 38552380186.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68108325583 - 2¹³ = 68108317391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68108323583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12558766 + ... + 12564187.

It is an arithmetic number, because the mean of its divisors is an integer number (17033362812).

Almost surely, 2^68108325583 is an apocalyptic number.

68108325583 is a deficient number, since it is larger than the sum of its proper divisors (25125665).

68108325583 is a wasteful number, since it uses less digits than its factorization.

68108325583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25125664.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 68108325583 in words is "sixty-eight billion, one hundred eight million, three hundred twenty-five thousand, five hundred eighty-three".