16089986 has 8 divisors (see below), whose sum is σ = 26329104. Its totient is φ = 7313620.

The previous prime is 16089971. The next prime is 16089989. The reversal of 16089986 is 68998061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16089986.

It is not an unprimeable number, because it can be changed into a prime (16089989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365660 + ... + 365703.

It is an arithmetic number, because the mean of its divisors is an integer number (3291138).

Almost surely, 2^16089986 is an apocalyptic number.

16089986 is a deficient number, since it is larger than the sum of its proper divisors (10239118).

16089986 is a wasteful number, since it uses less digits than its factorization.

16089986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731376.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 16089986 is about 4011.2324789271. The cubic root of 16089986 is about 252.4557240276.

The spelling of 16089986 in words is "sixteen million, eighty-nine thousand, nine hundred eighty-six".