6664332523 has 8 divisors (see below), whose sum is σ = 6876297792. Its totient is φ = 6455291136.

The previous prime is 6664332497. The next prime is 6664332557. The reversal of 6664332523 is 3252334666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6664332523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6664332583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726340 + ... + 735457.

It is an arithmetic number, because the mean of its divisors is an integer number (859537224).

Almost surely, 2^6664332523 is an apocalyptic number.

6664332523 is a deficient number, since it is larger than the sum of its proper divisors (211965269).

6664332523 is a wasteful number, since it uses less digits than its factorization.

6664332523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461941.

The product of its digits is 466560, while the sum is 40.

The square root of 6664332523 is about 81635.3631890004. The cubic root of 6664332523 is about 1881.8523807935.

The spelling of 6664332523 in words is "six billion, six hundred sixty-four million, three hundred thirty-two thousand, five hundred twenty-three".