16608949 has 8 divisors (see below), whose sum is σ = 20098368. Its totient is φ = 13398720.

The previous prime is 16608941. The next prime is 16608973. The reversal of 16608949 is 94980661.

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

It is not a de Polignac number, because 16608949 - 2³ = 16608941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16608941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69667 + ... + 69904.

It is an arithmetic number, because the mean of its divisors is an integer number (2512296).

Almost surely, 2^16608949 is an apocalyptic number.

It is an amenable number.

16608949 is a deficient number, since it is larger than the sum of its proper divisors (3489419).

16608949 is a wasteful number, since it uses less digits than its factorization.

16608949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139595.

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

The square root of 16608949 is about 4075.4078323525. The cubic root of 16608949 is about 255.1412724817.

It can be divided in two parts, 1660 and 8949, that added together give a square (10609 = 103²).

The spelling of 16608949 in words is "sixteen million, six hundred eight thousand, nine hundred forty-nine".