510551164223 has 4 divisors (see below), whose sum is σ = 510631534368. Its totient is φ = 510470794080.

The previous prime is 510551164177. The next prime is 510551164241. The reversal of 510551164223 is 322461155015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 510551164223 - 2³⁸ = 235673257279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510551164243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40175543 + ... + 40188248.

It is an arithmetic number, because the mean of its divisors is an integer number (127657883592).

Almost surely, 2^510551164223 is an apocalyptic number.

510551164223 is a deficient number, since it is larger than the sum of its proper divisors (80370145).

510551164223 is an equidigital number, since it uses as much as digits as its factorization.

510551164223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80370144.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 510551164223 in words is "five hundred ten billion, five hundred fifty-one million, one hundred sixty-four thousand, two hundred twenty-three".