6664510133 has 4 divisors (see below), whose sum is σ = 6673480608. Its totient is φ = 6655539660.

The previous prime is 6664510117. The next prime is 6664510157. The reversal of 6664510133 is 3310154666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6664510133 - 2⁴ = 6664510117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6664510093 and 6664510102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664510103) 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, 4484123 + ... + 4485608.

It is an arithmetic number, because the mean of its divisors is an integer number (1668370152).

Almost surely, 2^6664510133 is an apocalyptic number.

It is an amenable number.

6664510133 is a deficient number, since it is larger than the sum of its proper divisors (8970475).

6664510133 is an equidigital number, since it uses as much as digits as its factorization.

6664510133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970474.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 6664510133 is about 81636.4510068878. The cubic root of 6664510133 is about 1881.8690982883.

Adding to 6664510133 its reverse (3310154666), we get a palindrome (9974664799).

The spelling of 6664510133 in words is "six billion, six hundred sixty-four million, five hundred ten thousand, one hundred thirty-three".