16346581859 has 4 divisors (see below), whose sum is σ = 16454837520. Its totient is φ = 16238326200.

The previous prime is 16346581817. The next prime is 16346581871. The reversal of 16346581859 is 95818564361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16346581859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16346589859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54127604 + ... + 54127905.

It is an arithmetic number, because the mean of its divisors is an integer number (4113709380).

Almost surely, 2^16346581859 is an apocalyptic number.

16346581859 is a deficient number, since it is larger than the sum of its proper divisors (108255661).

16346581859 is a wasteful number, since it uses less digits than its factorization.

16346581859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108255660.

The product of its digits is 6220800, while the sum is 56.

The spelling of 16346581859 in words is "sixteen billion, three hundred forty-six million, five hundred eighty-one thousand, eight hundred fifty-nine".