16544542 has 16 divisors (see below), whose sum is σ = 28828512. Its totient is φ = 6973920.

The previous prime is 16544527. The next prime is 16544557. The reversal of 16544542 is 24544561.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16544527) and next prime (16544557).

It is a congruent number.

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, 8833 + ... + 10540.

It is an arithmetic number, because the mean of its divisors is an integer number (1801782).

Almost surely, 2^16544542 is an apocalyptic number.

16544542 is a deficient number, since it is larger than the sum of its proper divisors (12283970).

16544542 is a wasteful number, since it uses less digits than its factorization.

16544542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19443.

The product of its digits is 19200, while the sum is 31.

The square root of 16544542 is about 4067.4982483094. The cubic root of 16544542 is about 254.8110454611.

The spelling of 16544542 in words is "sixteen million, five hundred forty-four thousand, five hundred forty-two".