33166542 has 16 divisors (see below), whose sum is σ = 66481920. Its totient is φ = 11030712.

The previous prime is 33166519. The next prime is 33166543. The reversal of 33166542 is 24566133.

It is a super-2 number, since 2×33166542² = 2200039016475528, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3192 + ... + 8747.

It is an arithmetic number, because the mean of its divisors is an integer number (4155120).

Almost surely, 2^33166542 is an apocalyptic number.

33166542 is an abundant number, since it is smaller than the sum of its proper divisors (33315378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33166542 is a wasteful number, since it uses less digits than its factorization.

33166542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12407.

The product of its digits is 12960, while the sum is 30.

The square root of 33166542 is about 5759.0400241707. The cubic root of 33166542 is about 321.2921128559.

The spelling of 33166542 in words is "thirty-three million, one hundred sixty-six thousand, five hundred forty-two".