13320361064 has 8 divisors (see below), whose sum is σ = 24975677010. Its totient is φ = 6660180528.

The previous prime is 13320361037. The next prime is 13320361097. The reversal of 13320361064 is 46016302331.

It can be written as a sum of positive squares in only one way, i.e., 12830092900 + 490268164 = 113270^2 + 22142^2 .

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, 832522559 + ... + 832522574.

Almost surely, 2^13320361064 is an apocalyptic number.

It is an amenable number.

13320361064 is a deficient number, since it is larger than the sum of its proper divisors (11655315946).

13320361064 is a wasteful number, since it uses less digits than its factorization.

13320361064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665045139 (or 1665045135 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13320361064 its reverse (46016302331), we get a palindrome (59336663395).

The spelling of 13320361064 in words is "thirteen billion, three hundred twenty million, three hundred sixty-one thousand, sixty-four".