16565359245 has 8 divisors (see below), whose sum is σ = 26504574816. Its totient is φ = 8834858256.

The previous prime is 16565359229. The next prime is 16565359289. The reversal of 16565359245 is 54295356561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16565359245 - 2⁴ = 16565359229 is a prime.

It is a super-2 number, since 2×16565359245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552178627 + ... + 552178656.

It is an arithmetic number, because the mean of its divisors is an integer number (3313071852).

Almost surely, 2^16565359245 is an apocalyptic number.

16565359245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16565359245 is a deficient number, since it is larger than the sum of its proper divisors (9939215571).

16565359245 is a wasteful number, since it uses less digits than its factorization.

16565359245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104357291.

The product of its digits is 4860000, while the sum is 51.

The spelling of 16565359245 in words is "sixteen billion, five hundred sixty-five million, three hundred fifty-nine thousand, two hundred forty-five".