166875677 has 2 divisors, whose sum is σ = 166875678. Its totient is φ = 166875676.

The previous prime is 166875619. The next prime is 166875707. The reversal of 166875677 is 776578661.

166875677 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 can be written as a sum of positive squares in only one way, i.e., 116337796 + 50537881 = 10786^2 + 7109^2 .

It is an emirp because it is prime and its reverse (776578661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166875677 - 2¹⁶ = 166810141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166875607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83437838 + 83437839.

It is an arithmetic number, because the mean of its divisors is an integer number (83437839).

Almost surely, 2^166875677 is an apocalyptic number.

It is an amenable number.

166875677 is a deficient number, since it is larger than the sum of its proper divisors (1).

166875677 is an equidigital number, since it uses as much as digits as its factorization.

166875677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 53.

The square root of 166875677 is about 12918.0368864623. The cubic root of 166875677 is about 550.5511576905.

The spelling of 166875677 in words is "one hundred sixty-six million, eight hundred seventy-five thousand, six hundred seventy-seven".