166525103 has 2 divisors, whose sum is σ = 166525104. Its totient is φ = 166525102.

The previous prime is 166525091. The next prime is 166525133. The reversal of 166525103 is 301525661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166525103 - 2¹² = 166521007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166525133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83262551 + 83262552.

It is an arithmetic number, because the mean of its divisors is an integer number (83262552).

Almost surely, 2^166525103 is an apocalyptic number.

166525103 is a deficient number, since it is larger than the sum of its proper divisors (1).

166525103 is an equidigital number, since it uses as much as digits as its factorization.

166525103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 166525103 is about 12904.4605853945. The cubic root of 166525103 is about 550.1653530378.

The spelling of 166525103 in words is "one hundred sixty-six million, five hundred twenty-five thousand, one hundred three".