16105018 has 16 divisors (see below), whose sum is σ = 25729704. Its totient is φ = 7534080.

The previous prime is 16105003. The next prime is 16105031. The reversal of 16105018 is 81050161.

It can be written as a sum of positive squares in 4 ways, for example, as 14953689 + 1151329 = 3867^2 + 1073^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16105018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4846 + ... + 7462.

Almost surely, 2^16105018 is an apocalyptic number.

16105018 is a deficient number, since it is larger than the sum of its proper divisors (9624686).

16105018 is a wasteful number, since it uses less digits than its factorization.

16105018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 16105018 is about 4013.1057798169. The cubic root of 16105018 is about 252.5343181143.

Adding to 16105018 its reverse (81050161), we get a palindrome (97155179).

The spelling of 16105018 in words is "sixteen million, one hundred five thousand, eighteen".