810132163 has 2 divisors, whose sum is σ = 810132164. Its totient is φ = 810132162.

The previous prime is 810132157. The next prime is 810132181. The reversal of 810132163 is 361231018.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 810132163 - 2¹³ = 810123971 is a prime.

It is not a weakly prime, because it can be changed into another prime (810132863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405066081 + 405066082.

It is an arithmetic number, because the mean of its divisors is an integer number (405066082).

Almost surely, 2^810132163 is an apocalyptic number.

810132163 is a deficient number, since it is larger than the sum of its proper divisors (1).

810132163 is an equidigital number, since it uses as much as digits as its factorization.

810132163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 810132163 is about 28462.8207140473. The cubic root of 810132163 is about 932.2204479388.

The spelling of 810132163 in words is "eight hundred ten million, one hundred thirty-two thousand, one hundred sixty-three".