16587044 has 12 divisors (see below), whose sum is σ = 29285004. Its totient is φ = 8219904.

The previous prime is 16587041. The next prime is 16587079. The reversal of 16587044 is 44078561.

16587044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 15054400 = 1238^2 + 3880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16586995 and 16587013.

It is not an unprimeable number, because it can be changed into a prime (16587041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17897 + ... + 18800.

It is an arithmetic number, because the mean of its divisors is an integer number (2440417).

Almost surely, 2^16587044 is an apocalyptic number.

It is an amenable number.

16587044 is a deficient number, since it is larger than the sum of its proper divisors (12697960).

16587044 is a wasteful number, since it uses less digits than its factorization.

16587044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36814 (or 36812 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 16587044 is about 4072.7194845705. The cubic root of 16587044 is about 255.0290573065.

The spelling of 16587044 in words is "sixteen million, five hundred eighty-seven thousand, forty-four".