13664005146 has 48 divisors (see below), whose sum is σ = 32337040320. Its totient is φ = 4135440960.

The previous prime is 13664005141. The next prime is 13664005171. The reversal of 13664005146 is 64150046631.

It is a happy number.

13664005146 is a `hidden beast` number, since 1 + 3 + 6 + 640 + 0 + 5 + 1 + 4 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13664005146.

It is not an unprimeable number, because it can be changed into a prime (13664005141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117531 + ... + 202833.

It is an arithmetic number, because the mean of its divisors is an integer number (673688340).

Almost surely, 2^13664005146 is an apocalyptic number.

13664005146 is an abundant number, since it is smaller than the sum of its proper divisors (18673035174).

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

13664005146 is a wasteful number, since it uses less digits than its factorization.

13664005146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86131 (or 86128 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 13664005146 in words is "thirteen billion, six hundred sixty-four million, five thousand, one hundred forty-six".