16887071 has 2 divisors, whose sum is σ = 16887072. Its totient is φ = 16887070.

The previous prime is 16887047. The next prime is 16887131. The reversal of 16887071 is 17078861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16887071 - 2⁶ = 16887007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16887041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8443535 + 8443536.

It is an arithmetic number, because the mean of its divisors is an integer number (8443536).

Almost surely, 2^16887071 is an apocalyptic number.

16887071 is a deficient number, since it is larger than the sum of its proper divisors (1).

16887071 is an equidigital number, since it uses as much as digits as its factorization.

16887071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 16887071 is about 4109.3881539713. The cubic root of 16887071 is about 256.5575362976.

The spelling of 16887071 in words is "sixteen million, eight hundred eighty-seven thousand, seventy-one".