13166232541687 has 2 divisors, whose sum is σ = 13166232541688. Its totient is φ = 13166232541686.

The previous prime is 13166232541589. The next prime is 13166232541711. The reversal of 13166232541687 is 78614523266131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13166232541687 - 2⁷ = 13166232541559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13166232541487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6583116270843 + 6583116270844.

It is an arithmetic number, because the mean of its divisors is an integer number (6583116270844).

Almost surely, 2^{13166232541687} is an apocalyptic number.

13166232541687 is a deficient number, since it is larger than the sum of its proper divisors (1).

13166232541687 is an equidigital number, since it uses as much as digits as its factorization.

13166232541687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 55.

The spelling of 13166232541687 in words is "thirteen trillion, one hundred sixty-six billion, two hundred thirty-two million, five hundred forty-one thousand, six hundred eighty-seven".