166414903 has 2 divisors, whose sum is σ = 166414904. Its totient is φ = 166414902.

The previous prime is 166414889. The next prime is 166414907. The reversal of 166414903 is 309414661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166414903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166414907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83207451 + 83207452.

It is an arithmetic number, because the mean of its divisors is an integer number (83207452).

Almost surely, 2^166414903 is an apocalyptic number.

166414903 is a deficient number, since it is larger than the sum of its proper divisors (1).

166414903 is an equidigital number, since it uses as much as digits as its factorization.

166414903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 166414903 is about 12900.1900373599. The cubic root of 166414903 is about 550.0439667332.

The spelling of 166414903 in words is "one hundred sixty-six million, four hundred fourteen thousand, nine hundred three".