13326252616 has 8 divisors (see below), whose sum is σ = 24986723670. Its totient is φ = 6663126304.

The previous prime is 13326252571. The next prime is 13326252649. The reversal of 13326252616 is 61625262331.

It can be written as a sum of positive squares in only one way, i.e., 11463984900 + 1862267716 = 107070^2 + 43154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832890781 + ... + 832890796.

Almost surely, 2^13326252616 is an apocalyptic number.

It is an amenable number.

13326252616 is a deficient number, since it is larger than the sum of its proper divisors (11660471054).

13326252616 is a wasteful number, since it uses less digits than its factorization.

13326252616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665781583 (or 1665781579 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The spelling of 13326252616 in words is "thirteen billion, three hundred twenty-six million, two hundred fifty-two thousand, six hundred sixteen".