16682340377 has 2 divisors, whose sum is σ = 16682340378. Its totient is φ = 16682340376.

The previous prime is 16682340281. The next prime is 16682340413. The reversal of 16682340377 is 77304328661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12914958736 + 3767381641 = 113644^2 + 61379^2 .

It is a cyclic number.

It is not a de Polignac number, because 16682340377 - 2⁸ = 16682340121 is a prime.

It is not a weakly prime, because it can be changed into another prime (16682340677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8341170188 + 8341170189.

It is an arithmetic number, because the mean of its divisors is an integer number (8341170189).

Almost surely, 2^16682340377 is an apocalyptic number.

It is an amenable number.

16682340377 is a deficient number, since it is larger than the sum of its proper divisors (1).

16682340377 is an equidigital number, since it uses as much as digits as its factorization.

16682340377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 16682340377 in words is "sixteen billion, six hundred eighty-two million, three hundred forty thousand, three hundred seventy-seven".