166111307 has 2 divisors, whose sum is σ = 166111308. Its totient is φ = 166111306.

The previous prime is 166111277. The next prime is 166111331. The reversal of 166111307 is 703111661.

166111307 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 a de Polignac number, because none of the positive numbers 2^k-166111307 is a prime.

It is not a weakly prime, because it can be changed into another prime (166111397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83055653 + 83055654.

It is an arithmetic number, because the mean of its divisors is an integer number (83055654).

Almost surely, 2^166111307 is an apocalyptic number.

166111307 is a deficient number, since it is larger than the sum of its proper divisors (1).

166111307 is an equidigital number, since it uses as much as digits as its factorization.

166111307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 166111307 is about 12888.4175522055. The cubic root of 166111307 is about 549.7092755542.

Adding to 166111307 its reverse (703111661), we get a palindrome (869222968).

The spelling of 166111307 in words is "one hundred sixty-six million, one hundred eleven thousand, three hundred seven".