16076381891 has 18 divisors (see below), whose sum is σ = 17385035460. Its totient is φ = 14858941120.

The previous prime is 16076381887. The next prime is 16076381929. The reversal of 16076381891 is 19818367061.

It is not a de Polignac number, because 16076381891 - 2² = 16076381887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16076381291) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16556036 + ... + 16557006.

Almost surely, 2^16076381891 is an apocalyptic number.

16076381891 is a deficient number, since it is larger than the sum of its proper divisors (1308653569).

16076381891 is an frugal number, since it uses more digits than its factorization.

16076381891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 16076381891 in words is "sixteen billion, seventy-six million, three hundred eighty-one thousand, eight hundred ninety-one".