6720226163 has 4 divisors (see below), whose sum is σ = 7680258480. Its totient is φ = 5760193848.

The previous prime is 6720226127. The next prime is 6720226169. The reversal of 6720226163 is 3616220276.

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 6720226163 - 2²⁰ = 6719177587 is a prime.

It is a super-2 number, since 2×6720226163² = 90322879363739405138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6720226169) 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, 480016148 + ... + 480016161.

It is an arithmetic number, because the mean of its divisors is an integer number (1920064620).

Almost surely, 2^6720226163 is an apocalyptic number.

6720226163 is a deficient number, since it is larger than the sum of its proper divisors (960032317).

6720226163 is an equidigital number, since it uses as much as digits as its factorization.

6720226163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960032316.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 6720226163 is about 81976.9855691218. The cubic root of 6720226163 is about 1887.0987618856.

The spelling of 6720226163 in words is "six billion, seven hundred twenty million, two hundred twenty-six thousand, one hundred sixty-three".