16089644039 has 8 divisors (see below), whose sum is σ = 18609709440. Its totient is φ = 13624964856.

The previous prime is 16089644027. The next prime is 16089644057. The reversal of 16089644039 is 93044698061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16089644039 - 2¹⁶ = 16089578503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16089644069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13845929 + ... + 13847090.

It is an arithmetic number, because the mean of its divisors is an integer number (2326213680).

Almost surely, 2^16089644039 is an apocalyptic number.

16089644039 is a deficient number, since it is larger than the sum of its proper divisors (2520065401).

16089644039 is an equidigital number, since it uses as much as digits as its factorization.

16089644039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27693109.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 16089644039 in words is "sixteen billion, eighty-nine million, six hundred forty-four thousand, thirty-nine".