220166623361219 has 4 divisors (see below), whose sum is σ = 220166686660344. Its totient is φ = 220166560062096.

The previous prime is 220166623361149. The next prime is 220166623361273. The reversal of 220166623361219 is 912163326661022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220166623361219 - 2²⁴ = 220166606584003 is a prime.

It is a super-2 number, since 2×220166623361219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220166623369219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26108957 + ... + 33496430.

It is an arithmetic number, because the mean of its divisors is an integer number (55041671665086).

Almost surely, 2^{220166623361219} is an apocalyptic number.

220166623361219 is a deficient number, since it is larger than the sum of its proper divisors (63299125).

220166623361219 is an equidigital number, since it uses as much as digits as its factorization.

220166623361219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63299124.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 220166623361219 in words is "two hundred twenty trillion, one hundred sixty-six billion, six hundred twenty-three million, three hundred sixty-one thousand, two hundred nineteen".