13329826664 has 32 divisors (see below), whose sum is σ = 31160635200. Its totient is φ = 5193438720.

The previous prime is 13329826661. The next prime is 13329826673. The reversal of 13329826664 is 46662892331.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13329826661) 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 7 ways as a sum of consecutive naturals, for example, 10819049 + ... + 10820280.

It is an arithmetic number, because the mean of its divisors is an integer number (973769850).

Almost surely, 2^13329826664 is an apocalyptic number.

13329826664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13329826664 is an abundant number, since it is smaller than the sum of its proper divisors (17830808536).

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

13329826664 is a wasteful number, since it uses less digits than its factorization.

13329826664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21639353 (or 21639349 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 50.

The spelling of 13329826664 in words is "thirteen billion, three hundred twenty-nine million, eight hundred twenty-six thousand, six hundred sixty-four".