33666061 has 16 divisors (see below), whose sum is σ = 39731328. Its totient is φ = 28123200.

The previous prime is 33666047. The next prime is 33666079. The reversal of 33666061 is 16066633.

It is a cyclic number.

It is not a de Polignac number, because 33666061 - 2⁵ = 33666029 is a prime.

It is a super-2 number, since 2×33666061² = 2266807326511442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33666761) 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, 44095 + ... + 44851.

It is an arithmetic number, because the mean of its divisors is an integer number (2483208).

Almost surely, 2^33666061 is an apocalyptic number.

It is an amenable number.

33666061 is a deficient number, since it is larger than the sum of its proper divisors (6065267).

33666061 is a wasteful number, since it uses less digits than its factorization.

33666061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 33666061 is about 5802.2462029804. The cubic root of 33666061 is about 322.8970683594.

The spelling of 33666061 in words is "thirty-three million, six hundred sixty-six thousand, sixty-one".