13226665332516 has 48 divisors (see below), whose sum is σ = 31690410010560. Its totient is φ = 4291088750080.

The previous prime is 13226665332511. The next prime is 13226665332563. The reversal of 13226665332516 is 61523356662231.

It is not an unprimeable number, because it can be changed into a prime (13226665332511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31874361 + ... + 32286656.

It is an arithmetic number, because the mean of its divisors is an integer number (660216875220).

Almost surely, 2^{13226665332516} is an apocalyptic number.

It is an amenable number.

13226665332516 is an abundant number, since it is smaller than the sum of its proper divisors (18463744678044).

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

13226665332516 is a wasteful number, since it uses less digits than its factorization.

13226665332516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64161484 (or 64161482 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 51.

The spelling of 13226665332516 in words is "thirteen trillion, two hundred twenty-six billion, six hundred sixty-five million, three hundred thirty-two thousand, five hundred sixteen".