16604567913 has 96 divisors (see below), whose sum is σ = 26124042240. Its totient is φ = 9333480960.

The previous prime is 16604567899. The next prime is 16604567921. The reversal of 16604567913 is 31976540661.

It is not a de Polignac number, because 16604567913 - 2⁹ = 16604567401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16604567953) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26824518 + ... + 26825136.

It is an arithmetic number, because the mean of its divisors is an integer number (272125440).

Almost surely, 2^16604567913 is an apocalyptic number.

It is an amenable number.

16604567913 is a deficient number, since it is larger than the sum of its proper divisors (9519474327).

16604567913 is a wasteful number, since it uses less digits than its factorization.

16604567913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 16604567913 in words is "sixteen billion, six hundred four million, five hundred sixty-seven thousand, nine hundred thirteen".