13326116624 has 20 divisors (see below), whose sum is σ = 25842667020. Its totient is φ = 6657041280.

The previous prime is 13326116591. The next prime is 13326116633. The reversal of 13326116624 is 42661162331.

It can be written as a sum of positive squares in 2 ways, for example, as 2160390400 + 11165726224 = 46480^2 + 105668^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357767 + ... + 393254.

It is an arithmetic number, because the mean of its divisors is an integer number (1292133351).

Almost surely, 2^13326116624 is an apocalyptic number.

It is an amenable number.

13326116624 is a deficient number, since it is larger than the sum of its proper divisors (12516550396).

13326116624 is a wasteful number, since it uses less digits than its factorization.

13326116624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752138 (or 752132 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

Adding to 13326116624 its reverse (42661162331), we get a palindrome (55987278955).

The spelling of 13326116624 in words is "thirteen billion, three hundred twenty-six million, one hundred sixteen thousand, six hundred twenty-four".