720000163 has 8 divisors (see below), whose sum is σ = 726970400. Its totient is φ = 713059200.

The previous prime is 720000161. The next prime is 720000173. The reversal of 720000163 is 361000027.

720000163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720000163 - 2¹ = 720000161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 720000163.

It is not an unprimeable number, because it can be changed into a prime (720000161) 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, 43813 + ... + 57961.

It is an arithmetic number, because the mean of its divisors is an integer number (90871300).

Almost surely, 2^720000163 is an apocalyptic number.

720000163 is a deficient number, since it is larger than the sum of its proper divisors (6970237).

720000163 is a wasteful number, since it uses less digits than its factorization.

720000163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14637.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 720000163 is about 26832.8187673230. The cubic root of 720000163 is about 896.2810169474.

The spelling of 720000163 in words is "seven hundred twenty million, one hundred sixty-three", and thus it is an aban number.