16093433881 has 4 divisors (see below), whose sum is σ = 18392495872. Its totient is φ = 13794371892.

The previous prime is 16093433879. The next prime is 16093433933. The reversal of 16093433881 is 18833439061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18833439061 = 5869 ⋅3208969.

It is not a de Polignac number, because 16093433881 - 2¹ = 16093433879 is a prime.

It is a super-2 number, since 2×16093433881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16093433821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149530985 + ... + 1149530998.

It is an arithmetic number, because the mean of its divisors is an integer number (4598123968).

Almost surely, 2^16093433881 is an apocalyptic number.

It is an amenable number.

16093433881 is a deficient number, since it is larger than the sum of its proper divisors (2299061991).

16093433881 is an equidigital number, since it uses as much as digits as its factorization.

16093433881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299061990.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 16093433881 in words is "sixteen billion, ninety-three million, four hundred thirty-three thousand, eight hundred eighty-one".