16000039 has 4 divisors (see below), whose sum is σ = 17454600. Its totient is φ = 14545480.

The previous prime is 15999989. The next prime is 16000057. The reversal of 16000039 is 93000061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16000039 - 2⁹ = 15999527 is a prime.

It is a Duffinian number.

16000039 is a modest number, since divided by 39 gives 16 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000079) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 727264 + ... + 727285.

It is an arithmetic number, because the mean of its divisors is an integer number (4363650).

Almost surely, 2^16000039 is an apocalyptic number.

16000039 is a deficient number, since it is larger than the sum of its proper divisors (1454561).

16000039 is a wasteful number, since it uses less digits than its factorization.

16000039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454560.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 16000039 is about 4000.0048749970. The cubic root of 16000039 is about 251.9844147160.

The spelling of 16000039 in words is "sixteen million, thirty-nine", and thus it is an aban number and an uban number.