6664345032 has 64 divisors (see below), whose sum is σ = 18210009600. Its totient is φ = 2023326720.

The previous prime is 6664345031. The next prime is 6664345033. The reversal of 6664345032 is 2305434666.

It is an interprime number because it is at equal distance from previous prime (6664345031) and next prime (6664345033).

It is not an unprimeable number, because it can be changed into a prime (6664345031) 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 15 ways as a sum of consecutive naturals, for example, 250807 + ... + 276102.

It is an arithmetic number, because the mean of its divisors is an integer number (284531400).

Almost surely, 2^6664345032 is an apocalyptic number.

6664345032 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6664345032 is an abundant number, since it is smaller than the sum of its proper divisors (11545664568).

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

6664345032 is a wasteful number, since it uses less digits than its factorization.

6664345032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526966 (or 526962 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The square root of 6664345032 is about 81635.4398040459. The cubic root of 6664345032 is about 1881.8535582096.

Adding to 6664345032 its reverse (2305434666), we get a palindrome (8969779698).

The spelling of 6664345032 in words is "six billion, six hundred sixty-four million, three hundred forty-five thousand, thirty-two".