16087693 has 2 divisors, whose sum is σ = 16087694. Its totient is φ = 16087692.

The previous prime is 16087681. The next prime is 16087723. The reversal of 16087693 is 39678061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14273284 + 1814409 = 3778^2 + 1347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16087693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16087613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8043846 + 8043847.

It is an arithmetic number, because the mean of its divisors is an integer number (8043847).

Almost surely, 2^16087693 is an apocalyptic number.

It is an amenable number.

16087693 is a deficient number, since it is larger than the sum of its proper divisors (1).

16087693 is an equidigital number, since it uses as much as digits as its factorization.

16087693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 16087693 is about 4010.9466463667. The cubic root of 16087693 is about 252.4437308853.

The spelling of 16087693 in words is "sixteen million, eighty-seven thousand, six hundred ninety-three".