13625304664 has 32 divisors (see below), whose sum is σ = 26239127040. Its totient is φ = 6629075200.

The previous prime is 13625304661. The next prime is 13625304689. The reversal of 13625304664 is 46640352631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625304661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71394 + ... + 179854.

It is an arithmetic number, because the mean of its divisors is an integer number (819972720).

Almost surely, 2^13625304664 is an apocalyptic number.

It is an amenable number.

13625304664 is a deficient number, since it is larger than the sum of its proper divisors (12613822376).

13625304664 is a wasteful number, since it uses less digits than its factorization.

13625304664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108891 (or 108887 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 13625304664 in words is "thirteen billion, six hundred twenty-five million, three hundred four thousand, six hundred sixty-four".