16395264099 has 12 divisors (see below), whose sum is σ = 23686775112. Its totient is φ = 10927994400.

The previous prime is 16395264079. The next prime is 16395264121. The reversal of 16395264099 is 99046259361.

It is not a de Polignac number, because 16395264099 - 2¹⁹ = 16394739811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16395264019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133537 + ... + 224994.

It is an arithmetic number, because the mean of its divisors is an integer number (1973897926).

Almost surely, 2^16395264099 is an apocalyptic number.

16395264099 is a deficient number, since it is larger than the sum of its proper divisors (7291511013).

16395264099 is a wasteful number, since it uses less digits than its factorization.

16395264099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363618 (or 363615 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 16395264099 in words is "sixteen billion, three hundred ninety-five million, two hundred sixty-four thousand, ninety-nine".