16340887 has 2 divisors, whose sum is σ = 16340888. Its totient is φ = 16340886.

The previous prime is 16340881. The next prime is 16340899. The reversal of 16340887 is 78804361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16340887 - 2⁷ = 16340759 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 (16340881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8170443 + 8170444.

It is an arithmetic number, because the mean of its divisors is an integer number (8170444).

Almost surely, 2^16340887 is an apocalyptic number.

16340887 is a deficient number, since it is larger than the sum of its proper divisors (1).

16340887 is an equidigital number, since it uses as much as digits as its factorization.

16340887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 16340887 is about 4042.3863001945. The cubic root of 16340887 is about 253.7611939055.

The spelling of 16340887 in words is "sixteen million, three hundred forty thousand, eight hundred eighty-seven".