33356668 has 6 divisors (see below), whose sum is σ = 58374176. Its totient is φ = 16678332.

The previous prime is 33356639. The next prime is 33356681. The reversal of 33356668 is 86665333.

It is a super-2 number, since 2×33356668² = 2225334600124448, which contains 22 as substring.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 33356668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4169580 + ... + 4169587.

Almost surely, 2^33356668 is an apocalyptic number.

It is an amenable number.

33356668 is a deficient number, since it is larger than the sum of its proper divisors (25017508).

33356668 is a wasteful number, since it uses less digits than its factorization.

33356668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339171 (or 8339169 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 33356668 is about 5775.5231797648. The cubic root of 33356668 is about 321.9048752614.

The spelling of 33356668 in words is "thirty-three million, three hundred fifty-six thousand, six hundred sixty-eight".