16442043 has 16 divisors (see below), whose sum is σ = 24014880. Its totient is φ = 9959936.

The previous prime is 16442029. The next prime is 16442047. The reversal of 16442043 is 34024461.

It is a cyclic number.

It is not a de Polignac number, because 16442043 - 2¹⁷ = 16310971 is a prime.

It is a super-3 number, since 3×16442043³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4080 + ... + 7037.

It is an arithmetic number, because the mean of its divisors is an integer number (1500930).

Almost surely, 2^16442043 is an apocalyptic number.

16442043 is a deficient number, since it is larger than the sum of its proper divisors (7572837).

16442043 is a wasteful number, since it uses less digits than its factorization.

16442043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 16442043 is about 4054.8789131120. The cubic root of 16442043 is about 254.2837416509.

The spelling of 16442043 in words is "sixteen million, four hundred forty-two thousand, forty-three".