76166943884929 has 2 divisors, whose sum is σ = 76166943884930. Its totient is φ = 76166943884928.

The previous prime is 76166943884917. The next prime is 76166943885047. The reversal of 76166943884929 is 92948834966167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70969706619904 + 5197237265025 = 8424352^2 + 2279745^2 .

It is a cyclic number.

It is not a de Polignac number, because 76166943884929 - 2⁵ = 76166943884897 is a prime.

It is not a weakly prime, because it can be changed into another prime (76166943882929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38083471942464 + 38083471942465.

It is an arithmetic number, because the mean of its divisors is an integer number (38083471942465).

Almost surely, 2^{76166943884929} is an apocalyptic number.

It is an amenable number.

76166943884929 is a deficient number, since it is larger than the sum of its proper divisors (1).

76166943884929 is an equidigital number, since it uses as much as digits as its factorization.

76166943884929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6772211712, while the sum is 82.

The spelling of 76166943884929 in words is "seventy-six trillion, one hundred sixty-six billion, nine hundred forty-three million, eight hundred eighty-four thousand, nine hundred twenty-nine".