33160016 has 30 divisors (see below), whose sum is σ = 67818762. Its totient is φ = 15704640.

The previous prime is 33159989. The next prime is 33160019. The reversal of 33160016 is 61006133.

It can be written as a sum of positive squares in only one way, i.e., 28302400 + 4857616 = 5320^2 + 2204^2 .

It is a super-2 number, since 2×33160016² = 2199173322240512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33160016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33160019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2906 + ... + 8646.

Almost surely, 2^33160016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33160016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33909381).

33160016 is an abundant number, since it is smaller than the sum of its proper divisors (34658746).

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

33160016 is a wasteful number, since it uses less digits than its factorization.

33160016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787 (or 5762 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 33160016 is about 5758.4734088124. The cubic root of 33160016 is about 321.2710385067.

Adding to 33160016 its reverse (61006133), we get a palindrome (94166149).

The spelling of 33160016 in words is "thirty-three million, one hundred sixty thousand, sixteen".