33416816 has 20 divisors (see below), whose sum is σ = 66978600. Its totient is φ = 16132032.

The previous prime is 33416813. The next prime is 33416821. The reversal of 33416816 is 61861433.

It is a super-2 number, since 2×33416816² = 2233367183155712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33416813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35546 + ... + 36473.

It is an arithmetic number, because the mean of its divisors is an integer number (3348930).

Almost surely, 2^33416816 is an apocalyptic number.

It is an amenable number.

33416816 is an abundant number, since it is smaller than the sum of its proper divisors (33561784).

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

33416816 is a wasteful number, since it uses less digits than its factorization.

33416816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72056 (or 72050 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 33416816 is about 5780.7279818376. The cubic root of 33416816 is about 322.0982429804.

The spelling of 33416816 in words is "thirty-three million, four hundred sixteen thousand, eight hundred sixteen".