16539742 has 16 divisors (see below), whose sum is σ = 26590032. Its totient is φ = 7688320.

The previous prime is 16539727. The next prime is 16539751. The reversal of 16539742 is 24793561.

It is a congruent number.

It is an unprimeable number.

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, 109 + ... + 5752.

It is an arithmetic number, because the mean of its divisors is an integer number (1661877).

Almost surely, 2^16539742 is an apocalyptic number.

16539742 is a deficient number, since it is larger than the sum of its proper divisors (10050290).

16539742 is a wasteful number, since it uses less digits than its factorization.

16539742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963.

The product of its digits is 45360, while the sum is 37.

The square root of 16539742 is about 4066.9081622284. The cubic root of 16539742 is about 254.7864006503.

The spelling of 16539742 in words is "sixteen million, five hundred thirty-nine thousand, seven hundred forty-two".