68566896 has 90 divisors (see below), whose sum is σ = 202676760. Its totient is φ = 21636288.

The previous prime is 68566891. The next prime is 68566903. The reversal of 68566896 is 69866586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68566891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51325 + ... + 52643.

It is an arithmetic number, because the mean of its divisors is an integer number (2251964).

Almost surely, 2^68566896 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 68566896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101338380).

68566896 is an abundant number, since it is smaller than the sum of its proper divisors (134109864).

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

68566896 is a wasteful number, since it uses less digits than its factorization.

68566896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1343 counting only the distinct ones).

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

The square root of 68566896 is about 8280.5130275847. The cubic root of 68566896 is about 409.2966246711.

The spelling of 68566896 in words is "sixty-eight million, five hundred sixty-six thousand, eight hundred ninety-six".