13068208664 has 72 divisors (see below), whose sum is σ = 30082822740. Its totient is φ = 5305831776.

The previous prime is 13068208663. The next prime is 13068208711. The reversal of 13068208664 is 46680286031.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13068208663) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 95339 + ... + 187685.

Almost surely, 2^13068208664 is an apocalyptic number.

13068208664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13068208664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15041411370).

13068208664 is an abundant number, since it is smaller than the sum of its proper divisors (17014614076).

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

13068208664 is a wasteful number, since it uses less digits than its factorization.

13068208664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92405 (or 92375 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 13068208664 in words is "thirteen billion, sixty-eight million, two hundred eight thousand, six hundred sixty-four".