166406213216230 has 16 divisors (see below), whose sum is σ = 322572044080944. Its totient is φ = 61442294110560.

The previous prime is 166406213216101. The next prime is 166406213216233. The reversal of 166406213216230 is 32612312604661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166406213216233) 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, 640023896856 + ... + 640023897115.

It is an arithmetic number, because the mean of its divisors is an integer number (20160752755059).

Almost surely, 2^{166406213216230} is an apocalyptic number.

166406213216230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166406213216230 is a deficient number, since it is larger than the sum of its proper divisors (156165830864714).

166406213216230 is a wasteful number, since it uses less digits than its factorization.

166406213216230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280047793991.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 166406213216230 in words is "one hundred sixty-six trillion, four hundred six billion, two hundred thirteen million, two hundred sixteen thousand, two hundred thirty".