166000533 has 4 divisors (see below), whose sum is σ = 221334048. Its totient is φ = 110667020.

The previous prime is 166000501. The next prime is 166000543. The reversal of 166000533 is 335000661.

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.

It is a cyclic number.

It is not a de Polignac number, because 166000533 - 2⁵ = 166000501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166000543) 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 3 ways as a sum of consecutive naturals, for example, 27666753 + ... + 27666758.

It is an arithmetic number, because the mean of its divisors is an integer number (55333512).

Almost surely, 2^166000533 is an apocalyptic number.

It is an amenable number.

166000533 is a deficient number, since it is larger than the sum of its proper divisors (55333515).

166000533 is an equidigital number, since it uses as much as digits as its factorization.

166000533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55333514.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 166000533 is about 12884.1194111200. The cubic root of 166000533 is about 549.5870542209.

The spelling of 166000533 in words is "one hundred sixty-six million, five hundred thirty-three", and thus it is an aban number.