166248937 has 2 divisors, whose sum is σ = 166248938. Its totient is φ = 166248936.

The previous prime is 166248919. The next prime is 166248941. The reversal of 166248937 is 739842661.

166248937 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., 95335696 + 70913241 = 9764^2 + 8421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166248937 is a prime.

It is not a weakly prime, because it can be changed into another prime (166248977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83124468 + 83124469.

It is an arithmetic number, because the mean of its divisors is an integer number (83124469).

Almost surely, 2^166248937 is an apocalyptic number.

It is an amenable number.

166248937 is a deficient number, since it is larger than the sum of its proper divisors (1).

166248937 is an equidigital number, since it uses as much as digits as its factorization.

166248937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 166248937 is about 12893.7557367898. The cubic root of 166248937 is about 549.8610525037.

The spelling of 166248937 in words is "one hundred sixty-six million, two hundred forty-eight thousand, nine hundred thirty-seven".