16530808 has 32 divisors (see below), whose sum is σ = 35660160. Its totient is φ = 7037280.

The previous prime is 16530803. The next prime is 16530827. The reversal of 16530808 is 80803561.

It is a super-3 number, since 3×16530808³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16530808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16530803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8223 + ... + 10033.

It is an arithmetic number, because the mean of its divisors is an integer number (1114380).

Almost surely, 2^16530808 is an apocalyptic number.

It is an amenable number.

16530808 is an abundant number, since it is smaller than the sum of its proper divisors (19129352).

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

16530808 is a wasteful number, since it uses less digits than its factorization.

16530808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1983 counting only the distinct ones).

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

The square root of 16530808 is about 4065.8096364685. The cubic root of 16530808 is about 254.7405177970.

The spelling of 16530808 in words is "sixteen million, five hundred thirty thousand, eight hundred eight".