800164503 has 12 divisors (see below), whose sum is σ = 1206045360. Its totient is φ = 510249696.

The previous prime is 800164501. The next prime is 800164507. The reversal of 800164503 is 305461008.

It is not a de Polignac number, because 800164503 - 2¹ = 800164501 is a prime.

It is a super-2 number, since 2×800164503² = 1280526463722474018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800164501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1932558 + ... + 1932971.

It is an arithmetic number, because the mean of its divisors is an integer number (100503780).

Almost surely, 2^800164503 is an apocalyptic number.

800164503 is a deficient number, since it is larger than the sum of its proper divisors (405880857).

800164503 is a wasteful number, since it uses less digits than its factorization.

800164503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865558 (or 3865555 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 800164503 is about 28287.1791276543. The cubic root of 800164503 is about 928.3813919690.

The spelling of 800164503 in words is "eight hundred million, one hundred sixty-four thousand, five hundred three".