16500802216 has 8 divisors (see below), whose sum is σ = 30939004170. Its totient is φ = 8250401104.

The previous prime is 16500802181. The next prime is 16500802243. The reversal of 16500802216 is 61220800561.

It can be written as a sum of positive squares in only one way, i.e., 16500430116 + 372100 = 128454^2 + 610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031300131 + ... + 1031300146.

Almost surely, 2^16500802216 is an apocalyptic number.

It is an amenable number.

16500802216 is a deficient number, since it is larger than the sum of its proper divisors (14438201954).

16500802216 is a wasteful number, since it uses less digits than its factorization.

16500802216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062600283 (or 2062600279 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 16500802216 in words is "sixteen billion, five hundred million, eight hundred two thousand, two hundred sixteen".