6640033052 has 12 divisors (see below), whose sum is σ = 11627056896. Its totient is φ = 3318016800.

The previous prime is 6640033051. The next prime is 6640033073. The reversal of 6640033052 is 2503300466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6640033051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492449 + ... + 505752.

It is an arithmetic number, because the mean of its divisors is an integer number (968921408).

Almost surely, 2^6640033052 is an apocalyptic number.

It is an amenable number.

6640033052 is a deficient number, since it is larger than the sum of its proper divisors (4987023844).

6640033052 is a wasteful number, since it uses less digits than its factorization.

6640033052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999868 (or 999866 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 6640033052 is about 81486.3979569597. The cubic root of 6640033052 is about 1879.5623936196.

The spelling of 6640033052 in words is "six billion, six hundred forty million, thirty-three thousand, fifty-two".