16687086 has 32 divisors (see below), whose sum is σ = 36103200. Its totient is φ = 5111424.

The previous prime is 16687079. The next prime is 16687117. The reversal of 16687086 is 68078661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26916 + ... + 27528.

It is an arithmetic number, because the mean of its divisors is an integer number (1128225).

Almost surely, 2^16687086 is an apocalyptic number.

16687086 is an abundant number, since it is smaller than the sum of its proper divisors (19416114).

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

16687086 is a wasteful number, since it uses less digits than its factorization.

16687086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 16687086 is about 4084.9829865007. The cubic root of 16687086 is about 255.5407517435.

The spelling of 16687086 in words is "sixteen million, six hundred eighty-seven thousand, eighty-six".