16657116 has 48 divisors (see below), whose sum is σ = 45185280. Its totient is φ = 4677120.

The previous prime is 16657103. The next prime is 16657117. The reversal of 16657116 is 61175661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16657117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276 + ... + 6636.

It is an arithmetic number, because the mean of its divisors is an integer number (941360).

Almost surely, 2^16657116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16657116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22592640).

16657116 is an abundant number, since it is smaller than the sum of its proper divisors (28528164).

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

16657116 is a wasteful number, since it uses less digits than its factorization.

16657116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434 (or 3432 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 16657116 is about 4081.3130240157. The cubic root of 16657116 is about 255.3876763687.

The spelling of 16657116 in words is "sixteen million, six hundred fifty-seven thousand, one hundred sixteen".