166004333 has 4 divisors (see below), whose sum is σ = 181095648. Its totient is φ = 150913020.

The previous prime is 166004309. The next prime is 166004339. The reversal of 166004333 is 333400661.

166004333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 333400661 = 11 ⋅30309151.

It is a cyclic number.

It is not a de Polignac number, because 166004333 - 2¹⁰ = 166003309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166004339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7545641 + ... + 7545662.

It is an arithmetic number, because the mean of its divisors is an integer number (45273912).

Almost surely, 2^166004333 is an apocalyptic number.

It is an amenable number.

166004333 is a deficient number, since it is larger than the sum of its proper divisors (15091315).

166004333 is a wasteful number, since it uses less digits than its factorization.

166004333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15091314.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 166004333 is about 12884.2668786392. The cubic root of 166004333 is about 549.5912478116.

Adding to 166004333 its reverse (333400661), we get a palindrome (499404994).

The spelling of 166004333 in words is "one hundred sixty-six million, four thousand, three hundred thirty-three".