16687627 has 16 divisors (see below), whose sum is σ = 19284480. Its totient is φ = 14291200.

The previous prime is 16687603. The next prime is 16687631. The reversal of 16687627 is 72678661.

It is a de Polignac number, because none of the positive numbers 2^k-16687627 is a prime.

It is a super-2 number, since 2×16687627² = 556953789782258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16687637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17499 + ... + 18427.

It is an arithmetic number, because the mean of its divisors is an integer number (1205280).

Almost surely, 2^16687627 is an apocalyptic number.

16687627 is a deficient number, since it is larger than the sum of its proper divisors (2596853).

16687627 is a wasteful number, since it uses less digits than its factorization.

16687627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034.

The product of its digits is 169344, while the sum is 43.

The square root of 16687627 is about 4085.0492041100. The cubic root of 16687627 is about 255.5435132812.

The spelling of 16687627 in words is "sixteen million, six hundred eighty-seven thousand, six hundred twenty-seven".