16533116616 has 16 divisors (see below), whose sum is σ = 41332791600. Its totient is φ = 5511038864.

The previous prime is 16533116599. The next prime is 16533116617. The reversal of 16533116616 is 61661133561.

It is not an unprimeable number, because it can be changed into a prime (16533116617) 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 3 ways as a sum of consecutive naturals, for example, 344439906 + ... + 344439953.

It is an arithmetic number, because the mean of its divisors is an integer number (2583299475).

Almost surely, 2^16533116616 is an apocalyptic number.

It is an amenable number.

16533116616 is an abundant number, since it is smaller than the sum of its proper divisors (24799674984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16533116616 is a wasteful number, since it uses less digits than its factorization.

16533116616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688879868 (or 688879864 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The spelling of 16533116616 in words is "sixteen billion, five hundred thirty-three million, one hundred sixteen thousand, six hundred sixteen".