33666364 has 6 divisors (see below), whose sum is σ = 58916144. Its totient is φ = 16833180.

The previous prime is 33666349. The next prime is 33666383. The reversal of 33666364 is 46366633.

It is a super-2 number, since 2×33666364² = 2266848129960992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4208292 + ... + 4208299.

Almost surely, 2^33666364 is an apocalyptic number.

It is an amenable number.

33666364 is a deficient number, since it is larger than the sum of its proper divisors (25249780).

33666364 is a wasteful number, since it uses less digits than its factorization.

33666364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8416595 (or 8416593 counting only the distinct ones).

The product of its digits is 139968, while the sum is 37.

The square root of 33666364 is about 5802.2723134993. The cubic root of 33666364 is about 322.8980370651.

It can be divided in two parts, 3366 and 6364, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 33666364 in words is "thirty-three million, six hundred sixty-six thousand, three hundred sixty-four".