166396079 has 2 divisors, whose sum is σ = 166396080. Its totient is φ = 166396078.

The previous prime is 166396063. The next prime is 166396093. The reversal of 166396079 is 970693661.

It is a happy number.

166396079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166396079 - 2⁴ = 166396063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166396019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83198039 + 83198040.

It is an arithmetic number, because the mean of its divisors is an integer number (83198040).

Almost surely, 2^166396079 is an apocalyptic number.

166396079 is a deficient number, since it is larger than the sum of its proper divisors (1).

166396079 is an equidigital number, since it uses as much as digits as its factorization.

166396079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 166396079 is about 12899.4604150716. The cubic root of 166396079 is about 550.0232265673.

The spelling of 166396079 in words is "one hundred sixty-six million, three hundred ninety-six thousand, seventy-nine".