16087965 has 24 divisors (see below), whose sum is σ = 27175968. Its totient is φ = 8125920.

The previous prime is 16087921. The next prime is 16087969. The reversal of 16087965 is 56978061.

It is not a de Polignac number, because 16087965 - 2¹² = 16083869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16087969) 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 in 23 ways as a sum of consecutive naturals, for example, 3930 + ... + 6900.

It is an arithmetic number, because the mean of its divisors is an integer number (1132332).

Almost surely, 2^16087965 is an apocalyptic number.

16087965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16087965 is a deficient number, since it is larger than the sum of its proper divisors (11088003).

16087965 is a wasteful number, since it uses less digits than its factorization.

16087965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017 (or 2998 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 16087965 is about 4010.9805534308. The cubic root of 16087965 is about 252.4451535941.

The spelling of 16087965 in words is "sixteen million, eighty-seven thousand, nine hundred sixty-five".