16099659609 has 32 divisors (see below), whose sum is σ = 23874514944. Its totient is φ = 9568342080.

The previous prime is 16099659601. The next prime is 16099659637. The reversal of 16099659609 is 90695699061.

It is not a de Polignac number, because 16099659609 - 2³ = 16099659601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16099659601) 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 31 ways as a sum of consecutive naturals, for example, 476727 + ... + 509379.

It is an arithmetic number, because the mean of its divisors is an integer number (746078592).

Almost surely, 2^16099659609 is an apocalyptic number.

It is an amenable number.

16099659609 is a deficient number, since it is larger than the sum of its proper divisors (7774855335).

16099659609 is a wasteful number, since it uses less digits than its factorization.

16099659609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32957.

The product of its (nonzero) digits is 7085880, while the sum is 60.

The spelling of 16099659609 in words is "sixteen billion, ninety-nine million, six hundred fifty-nine thousand, six hundred nine".