811606163 has 8 divisors (see below), whose sum is σ = 859596480. Its totient is φ = 763643520.

The previous prime is 811606153. The next prime is 811606171. The reversal of 811606163 is 361606118.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-811606163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (811606153) 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, 112598 + ... + 119588.

It is an arithmetic number, because the mean of its divisors is an integer number (107449560).

Almost surely, 2^811606163 is an apocalyptic number.

811606163 is a deficient number, since it is larger than the sum of its proper divisors (47990317).

811606163 is a wasteful number, since it uses less digits than its factorization.

811606163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 811606163 is about 28488.7023748011. The cubic root of 811606163 is about 932.7854834878.

The spelling of 811606163 in words is "eight hundred eleven million, six hundred six thousand, one hundred sixty-three".