16042542 has 16 divisors (see below), whose sum is σ = 32299392. Its totient is φ = 5311800.

The previous prime is 16042529. The next prime is 16042549. The reversal of 16042542 is 24524061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16042549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7948 + ... + 9759.

It is an arithmetic number, because the mean of its divisors is an integer number (2018712).

Almost surely, 2^16042542 is an apocalyptic number.

16042542 is an abundant number, since it is smaller than the sum of its proper divisors (16256850).

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

16042542 is a wasteful number, since it uses less digits than its factorization.

16042542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17863.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 16042542 is about 4005.3142198834. The cubic root of 16042542 is about 252.2073438394.

The spelling of 16042542 in words is "sixteen million, forty-two thousand, five hundred forty-two".