16089964 has 24 divisors (see below), whose sum is σ = 30820608. Its totient is φ = 7289040.

The previous prime is 16089959. The next prime is 16089967. The reversal of 16089964 is 46998061.

It is a self number, because there is not a number n which added to its sum of digits gives 16089964.

It is not an unprimeable number, because it can be changed into a prime (16089967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21769 + ... + 22495.

It is an arithmetic number, because the mean of its divisors is an integer number (1284192).

Almost surely, 2^16089964 is an apocalyptic number.

It is an amenable number.

16089964 is a deficient number, since it is larger than the sum of its proper divisors (14730644).

16089964 is a wasteful number, since it uses less digits than its factorization.

16089964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 16089964 is about 4011.2297366269. The cubic root of 16089964 is about 252.4556089658.

The spelling of 16089964 in words is "sixteen million, eighty-nine thousand, nine hundred sixty-four".