16655071 has 4 divisors (see below), whose sum is σ = 16767000. Its totient is φ = 16543144.

The previous prime is 16655047. The next prime is 16655081. The reversal of 16655071 is 17055661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16655071 - 2⁹ = 16654559 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 (16655011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55741 + ... + 56038.

It is an arithmetic number, because the mean of its divisors is an integer number (4191750).

Almost surely, 2^16655071 is an apocalyptic number.

16655071 is a deficient number, since it is larger than the sum of its proper divisors (111929).

16655071 is a wasteful number, since it uses less digits than its factorization.

16655071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111928.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 16655071 is about 4081.0624842068. The cubic root of 16655071 is about 255.3772245959.

The spelling of 16655071 in words is "sixteen million, six hundred fifty-five thousand, seventy-one".