16605055 has 8 divisors (see below), whose sum is σ = 19948032. Its totient is φ = 13269408.

The previous prime is 16605037. The next prime is 16605077. The reversal of 16605055 is 55050661.

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 16605055 - 2⁷ = 16604927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7317 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (2493504).

Almost surely, 2^16605055 is an apocalyptic number.

16605055 is a deficient number, since it is larger than the sum of its proper divisors (3342977).

16605055 is a wasteful number, since it uses less digits than its factorization.

16605055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 16605055 is about 4074.9300607495. The cubic root of 16605055 is about 255.1213314694.

The spelling of 16605055 in words is "sixteen million, six hundred five thousand, fifty-five".