16755661 has 8 divisors (see below), whose sum is σ = 18829440. Its totient is φ = 14794032.

The previous prime is 16755643. The next prime is 16755667. The reversal of 16755661 is 16655761.

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

It is a cyclic number.

It is not a de Polignac number, because 16755661 - 2¹¹ = 16753613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16755661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16755667) 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, 27721 + ... + 28318.

It is an arithmetic number, because the mean of its divisors is an integer number (2353680).

Almost surely, 2^16755661 is an apocalyptic number.

It is an amenable number.

16755661 is a deficient number, since it is larger than the sum of its proper divisors (2073779).

16755661 is a wasteful number, since it uses less digits than its factorization.

16755661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56075.

The product of its digits is 37800, while the sum is 37.

The square root of 16755661 is about 4093.3679287355. The cubic root of 16755661 is about 255.8903186151.

The spelling of 16755661 in words is "sixteen million, seven hundred fifty-five thousand, six hundred sixty-one".