166054133 has 4 divisors (see below), whose sum is σ = 189776160. Its totient is φ = 142332108.

The previous prime is 166054123. The next prime is 166054169. The reversal of 166054133 is 331450661.

It is a happy number.

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 166054133 - 2¹⁶ = 165988597 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 166054096 and 166054105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166054103) 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, 11861003 + ... + 11861016.

It is an arithmetic number, because the mean of its divisors is an integer number (47444040).

Almost surely, 2^166054133 is an apocalyptic number.

It is an amenable number.

166054133 is a deficient number, since it is larger than the sum of its proper divisors (23722027).

166054133 is an equidigital number, since it uses as much as digits as its factorization.

166054133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23722026.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 166054133 is about 12886.1993233071. The cubic root of 166054133 is about 549.6462000071.

The spelling of 166054133 in words is "one hundred sixty-six million, fifty-four thousand, one hundred thirty-three".