166003093 has 2 divisors, whose sum is σ = 166003094. Its totient is φ = 166003092.

The previous prime is 166003087. The next prime is 166003111. The reversal of 166003093 is 390300661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87272964 + 78730129 = 9342^2 + 8873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166003093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166003003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83001546 + 83001547.

It is an arithmetic number, because the mean of its divisors is an integer number (83001547).

Almost surely, 2^166003093 is an apocalyptic number.

It is an amenable number.

166003093 is a deficient number, since it is larger than the sum of its proper divisors (1).

166003093 is an equidigital number, since it uses as much as digits as its factorization.

166003093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 166003093 is about 12884.2187578448. The cubic root of 166003093 is about 549.5898793838.

The spelling of 166003093 in words is "one hundred sixty-six million, three thousand, ninety-three".