13373466661 has 4 divisors (see below), whose sum is σ = 13505877324. Its totient is φ = 13241056000.

The previous prime is 13373466647. The next prime is 13373466671. The reversal of 13373466661 is 16666437331.

13373466661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6779052225 + 6594414436 = 82335^2 + 81206^2 .

It is a cyclic number.

It is not a de Polignac number, because 13373466661 - 2¹⁵ = 13373433893 is a prime.

It is a super-2 number, since 2×13373466661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13373466641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66205180 + ... + 66205381.

It is an arithmetic number, because the mean of its divisors is an integer number (3376469331).

Almost surely, 2^13373466661 is an apocalyptic number.

It is an amenable number.

13373466661 is a deficient number, since it is larger than the sum of its proper divisors (132410663).

13373466661 is a wasteful number, since it uses less digits than its factorization.

13373466661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132410662.

The product of its digits is 979776, while the sum is 46.

The spelling of 13373466661 in words is "thirteen billion, three hundred seventy-three million, four hundred sixty-six thousand, six hundred sixty-one".