16359216961 has 16 divisors (see below), whose sum is σ = 17347478400. Its totient is φ = 15383945088.

The previous prime is 16359216959. The next prime is 16359216971. The reversal of 16359216961 is 16961295361.

It is a cyclic number.

It is not a de Polignac number, because 16359216961 - 2¹ = 16359216959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16359216911) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2563771 + ... + 2570143.

It is an arithmetic number, because the mean of its divisors is an integer number (1084217400).

Almost surely, 2^16359216961 is an apocalyptic number.

It is an amenable number.

16359216961 is a deficient number, since it is larger than the sum of its proper divisors (988261439).

16359216961 is a wasteful number, since it uses less digits than its factorization.

16359216961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7368.

The product of its digits is 524880, while the sum is 49.

The spelling of 16359216961 in words is "sixteen billion, three hundred fifty-nine million, two hundred sixteen thousand, nine hundred sixty-one".