666232583 has 8 divisors (see below), whose sum is σ = 685500816. Its totient is φ = 647136000.

The previous prime is 666232579. The next prime is 666232591. The reversal of 666232583 is 385232666.

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

It is a cyclic number.

It is not a de Polignac number, because 666232583 - 2² = 666232579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 666232583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666132583) 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, 35018 + ... + 50583.

It is an arithmetic number, because the mean of its divisors is an integer number (85687602).

Almost surely, 2^666232583 is an apocalyptic number.

666232583 is a deficient number, since it is larger than the sum of its proper divisors (19268233).

666232583 is a wasteful number, since it uses less digits than its factorization.

666232583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85825.

The product of its digits is 311040, while the sum is 41.

The square root of 666232583 is about 25811.4816118719. The cubic root of 666232583 is about 873.3908200639.

The spelling of 666232583 in words is "six hundred sixty-six million, two hundred thirty-two thousand, five hundred eighty-three".