13316564218 has 8 divisors (see below), whose sum is σ = 20085205140. Its totient is φ = 6621495840.

The previous prime is 13316564207. The next prime is 13316564221. The reversal of 13316564218 is 81246561331.

It can be written as a sum of positive squares in 2 ways, for example, as 11226885849 + 2089678369 = 105957^2 + 45713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18392683 + ... + 18393406.

Almost surely, 2^13316564218 is an apocalyptic number.

13316564218 is a deficient number, since it is larger than the sum of its proper divisors (6768640922).

13316564218 is a wasteful number, since it uses less digits than its factorization.

13316564218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36786272.

The product of its digits is 103680, while the sum is 40.

The spelling of 13316564218 in words is "thirteen billion, three hundred sixteen million, five hundred sixty-four thousand, two hundred eighteen".