666460206 has 24 divisors (see below), whose sum is σ = 1483025544. Its totient is φ = 216149040.

The previous prime is 666460199. The next prime is 666460211. The reversal of 666460206 is 602064666.

666460206 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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499680 + ... + 501011.

It is an arithmetic number, because the mean of its divisors is an integer number (61792731).

Almost surely, 2^666460206 is an apocalyptic number.

666460206 is an abundant number, since it is smaller than the sum of its proper divisors (816565338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666460206 is a wasteful number, since it uses less digits than its factorization.

666460206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000736 (or 1000733 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 666460206 is about 25815.8905715065. The cubic root of 666460206 is about 873.4902754228.

It can be divided in two parts, 666460 and 206, that added together give a palindrome (666666).

The spelling of 666460206 in words is "six hundred sixty-six million, four hundred sixty thousand, two hundred six".