33116140 has 12 divisors (see below), whose sum is σ = 69543936. Its totient is φ = 13246448.

The previous prime is 33116137. The next prime is 33116141. The reversal of 33116140 is 4161133.

It is not an unprimeable number, because it can be changed into a prime (33116141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827884 + ... + 827923.

It is an arithmetic number, because the mean of its divisors is an integer number (5795328).

Almost surely, 2^33116140 is an apocalyptic number.

It is an amenable number.

33116140 is an abundant number, since it is smaller than the sum of its proper divisors (36427796).

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

33116140 is a wasteful number, since it uses less digits than its factorization.

33116140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655816 (or 1655814 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 33116140 is about 5754.6624575209. The cubic root of 33116140 is about 321.1292783239.

Adding to 33116140 its reverse (4161133), we get a palindrome (37277273).

It can be divided in two parts, 331 and 16140, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 33116140 in words is "thirty-three million, one hundred sixteen thousand, one hundred forty".