16081887443 has 8 divisors (see below), whose sum is σ = 17092630368. Its totient is φ = 15078338944.

The previous prime is 16081887421. The next prime is 16081887449. The reversal of 16081887443 is 34478818061.

It is a happy number.

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 16081887443 - 2⁶ = 16081887379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16081887391 and 16081887400.

It is not an unprimeable number, because it can be changed into a prime (16081887449) 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, 1793996 + ... + 1802937.

It is an arithmetic number, because the mean of its divisors is an integer number (2136578796).

Almost surely, 2^16081887443 is an apocalyptic number.

16081887443 is a deficient number, since it is larger than the sum of its proper divisors (1010742925).

16081887443 is a wasteful number, since it uses less digits than its factorization.

16081887443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597213.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 16081887443 in words is "sixteen billion, eighty-one million, eight hundred eighty-seven thousand, four hundred forty-three".