3666442533 has 16 divisors (see below), whose sum is σ = 5363971200. Its totient is φ = 2213699904.

The previous prime is 3666442523. The next prime is 3666442567. The reversal of 3666442533 is 3352446663.

3666442533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3666442533 - 2⁶ = 3666442469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666442523) 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, 884833 + ... + 888966.

It is an arithmetic number, because the mean of its divisors is an integer number (335248200).

Almost surely, 2^3666442533 is an apocalyptic number.

It is an amenable number.

3666442533 is a deficient number, since it is larger than the sum of its proper divisors (1697528667).

3666442533 is a wasteful number, since it uses less digits than its factorization.

3666442533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773868.

The product of its digits is 933120, while the sum is 42.

The square root of 3666442533 is about 60551.1563308249. The cubic root of 3666442533 is about 1541.9902491809.

It can be divided in two parts, 36664 and 42533, that added together give a palindrome (79197).

The spelling of 3666442533 in words is "three billion, six hundred sixty-six million, four hundred forty-two thousand, five hundred thirty-three".