666002424243 has 24 divisors (see below), whose sum is σ = 1003372849152. Its totient is φ = 392028175968.

The previous prime is 666002424169. The next prime is 666002424257. The reversal of 666002424243 is 342424200666.

It is not a de Polignac number, because 666002424243 - 2⁹ = 666002423731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (666002424293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28545171 + ... + 28568492.

It is an arithmetic number, because the mean of its divisors is an integer number (41807202048).

Almost surely, 2^666002424243 is an apocalyptic number.

666002424243 is a deficient number, since it is larger than the sum of its proper divisors (337370424909).

666002424243 is a wasteful number, since it uses less digits than its factorization.

666002424243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57113715 (or 57113702 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 666002424243 in words is "six hundred sixty-six billion, two million, four hundred twenty-four thousand, two hundred forty-three".