16042536 has 80 divisors (see below), whose sum is σ = 47335200. Its totient is φ = 5062176.

The previous prime is 16042529. The next prime is 16042549. The reversal of 16042536 is 63524061.

16042536 is a `hidden beast` number, since 1 + 604 + 2 + 53 + 6 = 666.

It is a super-2 number, since 2×16042536² = 514725922622592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11661 + ... + 12963.

It is an arithmetic number, because the mean of its divisors is an integer number (591690).

Almost surely, 2^16042536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16042536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23667600).

16042536 is an abundant number, since it is smaller than the sum of its proper divisors (31292664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16042536 is a wasteful number, since it uses less digits than its factorization.

16042536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 16042536 is about 4005.3134708784. The cubic root of 16042536 is about 252.2073123971.

Adding to 16042536 its reverse (63524061), we get a palindrome (79566597).

It can be divided in two parts, 160425 and 36, that added together give a triangular number (160461 = T₅₆₆).

The spelling of 16042536 in words is "sixteen million, forty-two thousand, five hundred thirty-six".