16560066435 has 64 divisors (see below), whose sum is σ = 30886479360. Its totient is φ = 7487354880.

The previous prime is 16560066427. The next prime is 16560066443. The reversal of 16560066435 is 53466006561.

It is an interprime number because it is at equal distance from previous prime (16560066427) and next prime (16560066443).

It is not a de Polignac number, because 16560066435 - 2³ = 16560066427 is a prime.

It is a super-2 number, since 2×16560066435² (a number of 21 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 278664 + ... + 332826.

It is an arithmetic number, because the mean of its divisors is an integer number (482601240).

Almost surely, 2^16560066435 is an apocalyptic number.

16560066435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16560066435 is a deficient number, since it is larger than the sum of its proper divisors (14326412925).

16560066435 is a wasteful number, since it uses less digits than its factorization.

16560066435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54308.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 16560066435 in words is "sixteen billion, five hundred sixty million, sixty-six thousand, four hundred thirty-five".