666034032403 has 8 divisors (see below), whose sum is σ = 673787866400. Its totient is φ = 658310079168.

The previous prime is 666034032311. The next prime is 666034032409. The reversal of 666034032403 is 304230430666.

666034032403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 666034032403 - 2¹⁷ = 666033901331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (666034032409) 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, 7425351 + ... + 7514512.

It is an arithmetic number, because the mean of its divisors is an integer number (84223483300).

Almost surely, 2^666034032403 is an apocalyptic number.

666034032403 is a deficient number, since it is larger than the sum of its proper divisors (7753833997).

666034032403 is a wasteful number, since it uses less digits than its factorization.

666034032403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14940381.

The product of its (nonzero) digits is 186624, while the sum is 37.

The spelling of 666034032403 in words is "six hundred sixty-six billion, thirty-four million, thirty-two thousand, four hundred three".