33668016 has 20 divisors (see below), whose sum is σ = 86975832. Its totient is φ = 11222656.

The previous prime is 33668009. The next prime is 33668023. The reversal of 33668016 is 61086633.

It is an interprime number because it is at equal distance from previous prime (33668009) and next prime (33668023).

It is a super-2 number, since 2×33668016² = 2267070602752512, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 350661 + ... + 350756.

Almost surely, 2^33668016 is an apocalyptic number.

It is an amenable number.

33668016 is an abundant number, since it is smaller than the sum of its proper divisors (53307816).

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

33668016 is a wasteful number, since it uses less digits than its factorization.

33668016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701428 (or 701422 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 33668016 is about 5802.4146697733. The cubic root of 33668016 is about 322.9033184872.

The spelling of 33668016 in words is "thirty-three million, six hundred sixty-eight thousand, sixteen".