16589949 has 8 divisors (see below), whose sum is σ = 22717920. Its totient is φ = 10760976.

The previous prime is 16589933. The next prime is 16589981. The reversal of 16589949 is 94998561.

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

It is not a de Polignac number, because 16589949 - 2⁴ = 16589933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16589999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74619 + ... + 74840.

It is an arithmetic number, because the mean of its divisors is an integer number (2839740).

Almost surely, 2^16589949 is an apocalyptic number.

It is an amenable number.

16589949 is a deficient number, since it is larger than the sum of its proper divisors (6127971).

16589949 is a wasteful number, since it uses less digits than its factorization.

16589949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149499.

The product of its digits is 699840, while the sum is 51.

The square root of 16589949 is about 4073.0761102636. The cubic root of 16589949 is about 255.0439447525.

The spelling of 16589949 in words is "sixteen million, five hundred eighty-nine thousand, nine hundred forty-nine".