166670433 has 16 divisors (see below), whose sum is σ = 247119360. Its totient is φ = 111023568.

The previous prime is 166670419. The next prime is 166670467. The reversal of 166670433 is 334076661.

It is a happy number.

166670433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166670433 - 2¹³ = 166662241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166670233) 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, 58191 + ... + 60987.

It is an arithmetic number, because the mean of its divisors is an integer number (15444960).

Almost surely, 2^166670433 is an apocalyptic number.

It is an amenable number.

166670433 is a deficient number, since it is larger than the sum of its proper divisors (80448927).

166670433 is a wasteful number, since it uses less digits than its factorization.

166670433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 166670433 is about 12910.0903559967. The cubic root of 166670433 is about 550.3253535041.

The spelling of 166670433 in words is "one hundred sixty-six million, six hundred seventy thousand, four hundred thirty-three".