33161116 has 12 divisors (see below), whose sum is σ = 58264920. Its totient is φ = 16514000.

The previous prime is 33161111. The next prime is 33161143. The reversal of 33161116 is 61116133.

It is a happy number.

It is a super-2 number, since 2×33161116² = 2199319228730912, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33161111) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 15511 + ... + 17518.

It is an arithmetic number, because the mean of its divisors is an integer number (4855410).

Almost surely, 2^33161116 is an apocalyptic number.

It is an amenable number.

33161116 is a deficient number, since it is larger than the sum of its proper divisors (25103804).

33161116 is a wasteful number, since it uses less digits than its factorization.

33161116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33284 (or 33282 counting only the distinct ones).

The product of its digits is 324, while the sum is 22.

The square root of 33161116 is about 5758.5689194452. The cubic root of 33161116 is about 321.2745909199.

Adding to 33161116 its reverse (61116133), we get a palindrome (94277249).

The spelling of 33161116 in words is "thirty-three million, one hundred sixty-one thousand, one hundred sixteen".