63268320306 has 16 divisors (see below), whose sum is σ = 128138371200. Its totient is φ = 20822485008.

The previous prime is 63268320299. The next prime is 63268320337. The reversal of 63268320306 is 60302386236.

It is a super-2 number, since 2×63268320306² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66738261 + ... + 66739208.

It is an arithmetic number, because the mean of its divisors is an integer number (8008648200).

Almost surely, 2^63268320306 is an apocalyptic number.

63268320306 is an abundant number, since it is smaller than the sum of its proper divisors (64870050894).

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

63268320306 is a wasteful number, since it uses less digits than its factorization.

63268320306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133477553.

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 63268320306 in words is "sixty-three billion, two hundred sixty-eight million, three hundred twenty thousand, three hundred six".