13250666516 has 6 divisors (see below), whose sum is σ = 23188666410. Its totient is φ = 6625333256.

The previous prime is 13250666503. The next prime is 13250666521. The reversal of 13250666516 is 61566605231.

It can be written as a sum of positive squares in only one way, i.e., 7258358416 + 5992308100 = 85196^2 + 77410^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656333311 + ... + 1656333318.

It is an arithmetic number, because the mean of its divisors is an integer number (3864777735).

Almost surely, 2^13250666516 is an apocalyptic number.

It is an amenable number.

13250666516 is a deficient number, since it is larger than the sum of its proper divisors (9937999894).

13250666516 is a wasteful number, since it uses less digits than its factorization.

13250666516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312666633 (or 3312666631 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 13250666516 in words is "thirteen billion, two hundred fifty million, six hundred sixty-six thousand, five hundred sixteen".