16560966535 has 8 divisors (see below), whose sum is σ = 20169774576. Its totient is φ = 13051030080.

The previous prime is 16560966467. The next prime is 16560966553. The reversal of 16560966535 is 53566906561.

It is a happy number.

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

It is not a de Polignac number, because 16560966535 - 2¹⁷ = 16560835463 is a prime.

It is a super-2 number, since 2×16560966535² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24717526 + ... + 24718195.

It is an arithmetic number, because the mean of its divisors is an integer number (2521221822).

Almost surely, 2^16560966535 is an apocalyptic number.

16560966535 is a deficient number, since it is larger than the sum of its proper divisors (3608808041).

16560966535 is an equidigital number, since it uses as much as digits as its factorization.

16560966535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49435793.

The product of its (nonzero) digits is 4374000, while the sum is 52.

The spelling of 16560966535 in words is "sixteen billion, five hundred sixty million, nine hundred sixty-six thousand, five hundred thirty-five".