33663141 has 16 divisors (see below), whose sum is σ = 50094720. Its totient is φ = 22341600.

The previous prime is 33663137. The next prime is 33663143. The reversal of 33663141 is 14136633.

It is not a de Polignac number, because 33663141 - 2² = 33663137 is a prime.

It is a super-2 number, since 2×33663141² = 2266414123971762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33663143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3616 + ... + 8966.

It is an arithmetic number, because the mean of its divisors is an integer number (3130920).

Almost surely, 2^33663141 is an apocalyptic number.

It is an amenable number.

33663141 is a deficient number, since it is larger than the sum of its proper divisors (16431579).

33663141 is a wasteful number, since it uses less digits than its factorization.

33663141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593 (or 5587 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 33663141 is about 5801.9945708351. The cubic root of 33663141 is about 322.8877326796.

Adding to 33663141 its reverse (14136633), we get a palindrome (47799774).

The spelling of 33663141 in words is "thirty-three million, six hundred sixty-three thousand, one hundred forty-one".