16800008 has 8 divisors (see below), whose sum is σ = 31500030. Its totient is φ = 8400000.

The previous prime is 16799989. The next prime is 16800023. The reversal of 16800008 is 80000861.

It can be written as a sum of positive squares in only one way, i.e., 8631844 + 8168164 = 2938^2 + 2858^2 .

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, 1049993 + ... + 1050008.

Almost surely, 2^16800008 is an apocalyptic number.

It is an amenable number.

16800008 is a deficient number, since it is larger than the sum of its proper divisors (14700022).

16800008 is a wasteful number, since it uses less digits than its factorization.

16800008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100007 (or 2100003 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 16800008 is about 4098.7812822838. The cubic root of 16800008 is about 256.1158736508.

Adding to 16800008 its reverse (80000861), we get a palindrome (96800869).

The spelling of 16800008 in words is "sixteen million, eight hundred thousand, eight".