166770113 has 2 divisors, whose sum is σ = 166770114. Its totient is φ = 166770112.

The previous prime is 166770067. The next prime is 166770133. The reversal of 166770113 is 311077661.

166770113 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., 152078224 + 14691889 = 12332^2 + 3833^2 .

It is an emirp because it is prime and its reverse (311077661) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166770113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166770113.

It is not a weakly prime, because it can be changed into another prime (166770133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83385056 + 83385057.

It is an arithmetic number, because the mean of its divisors is an integer number (83385057).

Almost surely, 2^166770113 is an apocalyptic number.

It is an amenable number.

166770113 is a deficient number, since it is larger than the sum of its proper divisors (1).

166770113 is an equidigital number, since it uses as much as digits as its factorization.

166770113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 166770113 is about 12913.9503251329. The cubic root of 166770113 is about 550.4350420232.

The spelling of 166770113 in words is "one hundred sixty-six million, seven hundred seventy thousand, one hundred thirteen".