166667433 has 8 divisors (see below), whose sum is σ = 225866496. Its totient is φ = 109290000.

The previous prime is 166667401. The next prime is 166667467. The reversal of 166667433 is 334766661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166667433 - 2⁵ = 166667401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116667433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455193 + ... + 455558.

It is an arithmetic number, because the mean of its divisors is an integer number (28233312).

Almost surely, 2^166667433 is an apocalyptic number.

It is an amenable number.

166667433 is a deficient number, since it is larger than the sum of its proper divisors (59199063).

166667433 is an equidigital number, since it uses as much as digits as its factorization.

166667433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910815.

The product of its digits is 326592, while the sum is 42.

The square root of 166667433 is about 12909.9741672863. The cubic root of 166667433 is about 550.3220516068.

The spelling of 166667433 in words is "one hundred sixty-six million, six hundred sixty-seven thousand, four hundred thirty-three".