16068591511 has 12 divisors (see below), whose sum is σ = 18724803240. Its totient is φ = 13748933520.

The previous prime is 16068591503. The next prime is 16068591521. The reversal of 16068591511 is 11519586061.

It is not a de Polignac number, because 16068591511 - 2³ = 16068591503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16068591521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259176 + ... + 315133.

It is an arithmetic number, because the mean of its divisors is an integer number (1560400270).

Almost surely, 2^16068591511 is an apocalyptic number.

16068591511 is a deficient number, since it is larger than the sum of its proper divisors (2656211729).

16068591511 is an equidigital number, since it uses as much as digits as its factorization.

16068591511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574894 (or 574887 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 43.

The spelling of 16068591511 in words is "sixteen billion, sixty-eight million, five hundred ninety-one thousand, five hundred eleven".