166910841 has 16 divisors (see below), whose sum is σ = 247590720. Its totient is φ = 111132000.

The previous prime is 166910837. The next prime is 166910881. The reversal of 166910841 is 148019661.

It is a happy number.

It is not a de Polignac number, because 166910841 - 2² = 166910837 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166910796 and 166910805.

It is not an unprimeable number, because it can be changed into a prime (166910881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20341 + ... + 27341.

It is an arithmetic number, because the mean of its divisors is an integer number (15474420).

Almost surely, 2^166910841 is an apocalyptic number.

It is an amenable number.

166910841 is a deficient number, since it is larger than the sum of its proper divisors (80679879).

166910841 is an equidigital number, since it uses as much as digits as its factorization.

166910841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893 (or 7887 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 166910841 is about 12919.3978574855. The cubic root of 166910841 is about 550.5898256410.

The spelling of 166910841 in words is "one hundred sixty-six million, nine hundred ten thousand, eight hundred forty-one".