5218164917 has 4 divisors (see below), whose sum is σ = 5963617056. Its totient is φ = 4472712780.

The previous prime is 5218164893. The next prime is 5218164923. The reversal of 5218164917 is 7194618125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5218164917 - 2²⁸ = 4949729461 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 (5218164947) 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, 372726059 + ... + 372726072.

It is an arithmetic number, because the mean of its divisors is an integer number (1490904264).

Almost surely, 2^5218164917 is an apocalyptic number.

It is an amenable number.

5218164917 is a deficient number, since it is larger than the sum of its proper divisors (745452139).

5218164917 is an equidigital number, since it uses as much as digits as its factorization.

5218164917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745452138.

The product of its digits is 120960, while the sum is 44.

The square root of 5218164917 is about 72236.8667440664. The cubic root of 5218164917 is about 1734.4931946080.

The spelling of 5218164917 in words is "five billion, two hundred eighteen million, one hundred sixty-four thousand, nine hundred seventeen".