16042618 has 8 divisors (see below), whose sum is σ = 24081012. Its totient is φ = 8015616.

The previous prime is 16042613. The next prime is 16042619. The reversal of 16042618 is 81624061.

It can be written as a sum of positive squares in 2 ways, for example, as 14265729 + 1776889 = 3777^2 + 1333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16042613) 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, 3546 + ... + 6682.

Almost surely, 2^16042618 is an apocalyptic number.

16042618 is a deficient number, since it is larger than the sum of its proper divisors (8038394).

16042618 is a wasteful number, since it uses less digits than its factorization.

16042618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 16042618 is about 4005.3237072676. The cubic root of 16042618 is about 252.2077421081.

Adding to 16042618 its reverse (81624061), we get a palindrome (97666679).

It can be divided in two parts, 160 and 42618, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 16042618 in words is "sixteen million, forty-two thousand, six hundred eighteen".