13466521944976 has 45 divisors (see below), whose sum is σ = 26248024961809. Its totient is φ = 6693078020288.

The previous prime is 13466521944961. The next prime is 13466521945007. The reversal of 13466521944976 is 67944912566431.

The square root of 13466521944976 is 3669676.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12249860000400 + 1216661944576 = 3499980^2 + 1103024^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2539413141 + ... + 2539418443.

Almost surely, 2^{13466521944976} is an apocalyptic number.

13466521944976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13466521944976 is the 3669676-th square number.

It is an amenable number.

13466521944976 is a deficient number, since it is larger than the sum of its proper divisors (12781503016833).

13466521944976 is an frugal number, since it uses more digits than its factorization.

13466521944976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960 (or 5478 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 67.

The spelling of 13466521944976 in words is "thirteen trillion, four hundred sixty-six billion, five hundred twenty-one million, nine hundred forty-four thousand, nine hundred seventy-six".