16656055 has 16 divisors (see below), whose sum is σ = 21680064. Its totient is φ = 12211200.

The previous prime is 16656047. The next prime is 16656067. The reversal of 16656055 is 55065661.

It is not a de Polignac number, because 16656055 - 2³ = 16656047 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 16656055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8967 + ... + 10663.

It is an arithmetic number, because the mean of its divisors is an integer number (1355004).

Almost surely, 2^16656055 is an apocalyptic number.

16656055 is a deficient number, since it is larger than the sum of its proper divisors (5024009).

16656055 is a wasteful number, since it uses less digits than its factorization.

16656055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 16656055 is about 4081.1830392669. The cubic root of 16656055 is about 255.3822538198.

The spelling of 16656055 in words is "sixteen million, six hundred fifty-six thousand, fifty-five".