6815622163 has 16 divisors (see below), whose sum is σ = 7979825920. Its totient is φ = 5699375136.

The previous prime is 6815622127. The next prime is 6815622181. The reversal of 6815622163 is 3612265186.

It is not a de Polignac number, because 6815622163 - 2²⁵ = 6782067731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6815623163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251068 + ... + 276886.

It is an arithmetic number, because the mean of its divisors is an integer number (498739120).

Almost surely, 2^6815622163 is an apocalyptic number.

6815622163 is a deficient number, since it is larger than the sum of its proper divisors (1164203757).

6815622163 is a wasteful number, since it uses less digits than its factorization.

6815622163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26746.

The product of its digits is 103680, while the sum is 40.

The square root of 6815622163 is about 82556.7814476800. The cubic root of 6815622163 is about 1895.9861862113.

The spelling of 6815622163 in words is "six billion, eight hundred fifteen million, six hundred twenty-two thousand, one hundred sixty-three".