16087801 has 2 divisors, whose sum is σ = 16087802. Its totient is φ = 16087800.

The previous prime is 16087793. The next prime is 16087811. The reversal of 16087801 is 10878061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9144576 + 6943225 = 3024^2 + 2635^2 .

It is a cyclic number.

It is not a de Polignac number, because 16087801 - 2³ = 16087793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16087811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8043900 + 8043901.

It is an arithmetic number, because the mean of its divisors is an integer number (8043901).

Almost surely, 2^16087801 is an apocalyptic number.

It is an amenable number.

16087801 is a deficient number, since it is larger than the sum of its proper divisors (1).

16087801 is an equidigital number, since it uses as much as digits as its factorization.

16087801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 16087801 is about 4010.9601095000. The cubic root of 16087801 is about 252.4442957863. Note that the first 3 decimals are identical.

It can be divided in two parts, 1608 and 7801, that added together give a square (9409 = 97²).

The spelling of 16087801 in words is "sixteen million, eighty-seven thousand, eight hundred one".