6657243003 has 6 divisors (see below), whose sum is σ = 9616017684. Its totient is φ = 4438161996.

The previous prime is 6657242989. The next prime is 6657243007. The reversal of 6657243003 is 3003427566.

It is not a de Polignac number, because 6657243003 - 2⁹ = 6657242491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6657243007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 369846825 + ... + 369846842.

It is an arithmetic number, because the mean of its divisors is an integer number (1602669614).

Almost surely, 2^6657243003 is an apocalyptic number.

6657243003 is a deficient number, since it is larger than the sum of its proper divisors (2958774681).

6657243003 is a wasteful number, since it uses less digits than its factorization.

6657243003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739693673 (or 739693670 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 6657243003 is about 81591.9297663684. The cubic root of 6657243003 is about 1881.1848388846.

The spelling of 6657243003 in words is "six billion, six hundred fifty-seven million, two hundred forty-three thousand, three".