68047306266 has 32 divisors (see below), whose sum is σ = 139457894400. Its totient is φ = 22127758640.

The previous prime is 68047306177. The next prime is 68047306297. The reversal of 68047306266 is 66260374086.

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, 687306 + ... + 780053.

It is an arithmetic number, because the mean of its divisors is an integer number (4358059200).

Almost surely, 2^68047306266 is an apocalyptic number.

68047306266 is an abundant number, since it is smaller than the sum of its proper divisors (71410588134).

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

68047306266 is a wasteful number, since it uses less digits than its factorization.

68047306266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467554.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 68047306266 in words is "sixty-eight billion, forty-seven million, three hundred six thousand, two hundred sixty-six".