666022066206 has 32 divisors (see below), whose sum is σ = 1522410163200. Its totient is φ = 190282767456.

The previous prime is 666022066181. The next prime is 666022066207. The reversal of 666022066206 is 602660220666.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666022066207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513355 + ... + 1263161.

It is an arithmetic number, because the mean of its divisors is an integer number (47575317600).

Almost surely, 2^666022066206 is an apocalyptic number.

666022066206 is an abundant number, since it is smaller than the sum of its proper divisors (856388096994).

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

666022066206 is a wasteful number, since it uses less digits than its factorization.

666022066206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770968.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 666022066206 in words is "six hundred sixty-six billion, twenty-two million, sixty-six thousand, two hundred six".