16218079 has 2 divisors, whose sum is σ = 16218080. Its totient is φ = 16218078.

The previous prime is 16218049. The next prime is 16218091. The reversal of 16218079 is 97081261.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (97081261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16218079 - 2¹³ = 16209887 is a prime.

It is a super-3 number, since 3×16218079³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16218019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8109039 + 8109040.

It is an arithmetic number, because the mean of its divisors is an integer number (8109040).

Almost surely, 2^16218079 is an apocalyptic number.

16218079 is a deficient number, since it is larger than the sum of its proper divisors (1).

16218079 is an equidigital number, since it uses as much as digits as its factorization.

16218079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 16218079 is about 4027.1676150863. The cubic root of 16218079 is about 253.1238906419.

The spelling of 16218079 in words is "sixteen million, two hundred eighteen thousand, seventy-nine".