16089660 has 36 divisors (see below), whose sum is σ = 48805848. Its totient is φ = 4290528.

The previous prime is 16089653. The next prime is 16089677. The reversal of 16089660 is 6698061.

16089660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44514 + ... + 44873.

It is an arithmetic number, because the mean of its divisors is an integer number (1355718).

Almost surely, 2^16089660 is an apocalyptic number.

16089660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16089660 is an abundant number, since it is smaller than the sum of its proper divisors (32716188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16089660 is a wasteful number, since it uses less digits than its factorization.

16089660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89402 (or 89397 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 16089660 is about 4011.1918428318. The cubic root of 16089660 is about 252.4540190102.

The spelling of 16089660 in words is "sixteen million, eighty-nine thousand, six hundred sixty".