33166541 has 16 divisors (see below), whose sum is σ = 36651456. Its totient is φ = 29880576.

The previous prime is 33166519. The next prime is 33166543. The reversal of 33166541 is 14566133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33166541 - 2⁶ = 33166477 is a prime.

It is a super-2 number, since 2×33166541² = 2200038883809362, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33166543) 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, 41750 + ... + 42536.

It is an arithmetic number, because the mean of its divisors is an integer number (2290716).

Almost surely, 2^33166541 is an apocalyptic number.

It is an amenable number.

33166541 is a deficient number, since it is larger than the sum of its proper divisors (3484915).

33166541 is a wasteful number, since it uses less digits than its factorization.

33166541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

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

The square root of 33166541 is about 5759.0399373507. The cubic root of 33166541 is about 321.2921096268.

The spelling of 33166541 in words is "thirty-three million, one hundred sixty-six thousand, five hundred forty-one".