16089587 has 2 divisors, whose sum is σ = 16089588. Its totient is φ = 16089586.

The previous prime is 16089571. The next prime is 16089607. The reversal of 16089587 is 78598061.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16089587 - 2⁴ = 16089571 is a prime.

It is not a weakly prime, because it can be changed into another prime (16089547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8044793 + 8044794.

It is an arithmetic number, because the mean of its divisors is an integer number (8044794).

Almost surely, 2^16089587 is an apocalyptic number.

16089587 is a deficient number, since it is larger than the sum of its proper divisors (1).

16089587 is an equidigital number, since it uses as much as digits as its factorization.

16089587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 16089587 is about 4011.1827432816. The cubic root of 16089587 is about 252.4536372086.

The spelling of 16089587 in words is "sixteen million, eighty-nine thousand, five hundred eighty-seven".