16990760 has 16 divisors (see below), whose sum is σ = 38229300. Its totient is φ = 6796288.

The previous prime is 16990751. The next prime is 16990783. The reversal of 16990760 is 6709961.

It can be written as a sum of positive squares in 2 ways, for example, as 14853316 + 2137444 = 3854^2 + 1462^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212345 + ... + 212424.

Almost surely, 2^16990760 is an apocalyptic number.

16990760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16990760 is an abundant number, since it is smaller than the sum of its proper divisors (21238540).

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

16990760 is a wasteful number, since it uses less digits than its factorization.

16990760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424780 (or 424776 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 16990760 is about 4121.9849587304. The cubic root of 16990760 is about 257.0815650507.

The spelling of 16990760 in words is "sixteen million, nine hundred ninety thousand, seven hundred sixty".