16500455012 has 6 divisors (see below), whose sum is σ = 28875796278. Its totient is φ = 8250227504.

The previous prime is 16500455009. The next prime is 16500455039. The reversal of 16500455012 is 21055400561.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12689121316 + 3811333696 = 112646^2 + 61736^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062556873 + ... + 2062556880.

It is an arithmetic number, because the mean of its divisors is an integer number (4812632713).

Almost surely, 2^16500455012 is an apocalyptic number.

It is an amenable number.

16500455012 is a deficient number, since it is larger than the sum of its proper divisors (12375341266).

16500455012 is a wasteful number, since it uses less digits than its factorization.

16500455012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125113757 (or 4125113755 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 16500455012 its reverse (21055400561), we get a palindrome (37555855573).

The spelling of 16500455012 in words is "sixteen billion, five hundred million, four hundred fifty-five thousand, twelve".