76166943884917 has 2 divisors, whose sum is σ = 76166943884918. Its totient is φ = 76166943884916.

The previous prime is 76166943884897. The next prime is 76166943884929. The reversal of 76166943884917 is 71948834966167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58232176262001 + 17934767622916 = 7631001^2 + 4234946^2 .

It is a cyclic number.

It is not a de Polignac number, because 76166943884917 - 2⁷ = 76166943884789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76166943684917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38083471942458 + 38083471942459.

It is an arithmetic number, because the mean of its divisors is an integer number (38083471942459).

Almost surely, 2^{76166943884917} is an apocalyptic number.

It is an amenable number.

76166943884917 is a deficient number, since it is larger than the sum of its proper divisors (1).

76166943884917 is an equidigital number, since it uses as much as digits as its factorization.

76166943884917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2633637888, while the sum is 79.

The spelling of 76166943884917 in words is "seventy-six trillion, one hundred sixty-six billion, nine hundred forty-three million, eight hundred eighty-four thousand, nine hundred seventeen".