666046542750430 has 16 divisors (see below), whose sum is σ = 1198943384719824. Its totient is φ = 266405370929280.

The previous prime is 666046542750341. The next prime is 666046542750439. The reversal of 666046542750430 is 34057245640666.

666046542750430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666046542750439) 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, 1655560176 + ... + 1655962435.

It is an arithmetic number, because the mean of its divisors is an integer number (74933961544989).

Almost surely, 2^{666046542750430} is an apocalyptic number.

666046542750430 is a deficient number, since it is larger than the sum of its proper divisors (532896841969394).

666046542750430 is a wasteful number, since it uses less digits than its factorization.

666046542750430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311542731.

The product of its (nonzero) digits is 87091200, while the sum is 58.

The spelling of 666046542750430 in words is "six hundred sixty-six trillion, forty-six billion, five hundred forty-two million, seven hundred fifty thousand, four hundred thirty".