13002661816 has 16 divisors (see below), whose sum is σ = 24381221040. Its totient is φ = 6501002880.

The previous prime is 13002661807. The next prime is 13002661817. The reversal of 13002661816 is 61816620031.

It is a happy number.

13002661816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002661817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243925 + ... + 292411.

It is an arithmetic number, because the mean of its divisors is an integer number (1523826315).

Almost surely, 2^13002661816 is an apocalyptic number.

It is an amenable number.

13002661816 is a deficient number, since it is larger than the sum of its proper divisors (11378559224).

13002661816 is a wasteful number, since it uses less digits than its factorization.

13002661816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82014 (or 82010 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 13002661816 in words is "thirteen billion, two million, six hundred sixty-one thousand, eight hundred sixteen".