33666361 has 8 divisors (see below), whose sum is σ = 35349120. Its totient is φ = 32018448.

The previous prime is 33666349. The next prime is 33666383. The reversal of 33666361 is 16366633.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33666361 is a prime.

It is a super-2 number, since 2×33666361² = 2266847725964642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33666331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6721 + ... + 10606.

It is an arithmetic number, because the mean of its divisors is an integer number (4418640).

Almost surely, 2^33666361 is an apocalyptic number.

It is an amenable number.

33666361 is a deficient number, since it is larger than the sum of its proper divisors (1682759).

33666361 is a wasteful number, since it uses less digits than its factorization.

33666361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17423.

The product of its digits is 34992, while the sum is 34.

The square root of 33666361 is about 5802.2720549798. The cubic root of 33666361 is about 322.8980274740.

The spelling of 33666361 in words is "thirty-three million, six hundred sixty-six thousand, three hundred sixty-one".