166483917 has 56 divisors (see below), whose sum is σ = 263159424. Its totient is φ = 105162624.

The previous prime is 166483897. The next prime is 166483921. The reversal of 166483917 is 719384661.

It is a happy number.

166483917 is a `hidden beast` number, since 166 + 483 + 9 + 1 + 7 = 666.

It is not a de Polignac number, because 166483917 - 2¹² = 166479821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166483937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1473253 + ... + 1473365.

Almost surely, 2^166483917 is an apocalyptic number.

It is an amenable number.

166483917 is a deficient number, since it is larger than the sum of its proper divisors (96675507).

166483917 is an equidigital number, since it uses as much as digits as its factorization.

166483917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 206 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 166483917 is about 12902.8646819224. The cubic root of 166483917 is about 550.1199925523.

The spelling of 166483917 in words is "one hundred sixty-six million, four hundred eighty-three thousand, nine hundred seventeen".