218164713 has 24 divisors (see below), whose sum is σ = 318859968. Its totient is φ = 131897568.

The previous prime is 218164711. The next prime is 218164717. The reversal of 218164713 is 317461812.

218164713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 218164713 - 2¹ = 218164711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218164711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134956 + ... + 136562.

It is an arithmetic number, because the mean of its divisors is an integer number (13285832).

Almost surely, 2^218164713 is an apocalyptic number.

It is an amenable number.

218164713 is a deficient number, since it is larger than the sum of its proper divisors (100695255).

218164713 is a wasteful number, since it uses less digits than its factorization.

218164713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1682 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 218164713 is about 14770.3998930293. The cubic root of 218164713 is about 601.9977051306.

The spelling of 218164713 in words is "two hundred eighteen million, one hundred sixty-four thousand, seven hundred thirteen".