16987960 has 32 divisors (see below), whose sum is σ = 41698800. Its totient is φ = 6177280.

The previous prime is 16987909. The next prime is 16987963. The reversal of 16987960 is 6978961.

It is a self number, because there is not a number n which added to its sum of digits gives 16987960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16987963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18865 + ... + 19744.

Almost surely, 2^16987960 is an apocalyptic number.

16987960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16987960 is an abundant number, since it is smaller than the sum of its proper divisors (24710840).

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

16987960 is a wasteful number, since it uses less digits than its factorization.

16987960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38631 (or 38627 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 16987960 is about 4121.6453025461. The cubic root of 16987960 is about 257.0674423172.

The spelling of 16987960 in words is "sixteen million, nine hundred eighty-seven thousand, nine hundred sixty".