16642711 has 8 divisors (see below), whose sum is σ = 18098640. Its totient is φ = 15239808.

The previous prime is 16642709. The next prime is 16642739. The reversal of 16642711 is 11724661.

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 16642711 - 2¹ = 16642709 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 16642711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16642741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12601 + ... + 13858.

It is an arithmetic number, because the mean of its divisors is an integer number (2262330).

Almost surely, 2^16642711 is an apocalyptic number.

16642711 is a deficient number, since it is larger than the sum of its proper divisors (1455929).

16642711 is a wasteful number, since it uses less digits than its factorization.

16642711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26513.

The product of its digits is 2016, while the sum is 28.

The square root of 16642711 is about 4079.5478916174. The cubic root of 16642711 is about 255.3140357601.

The spelling of 16642711 in words is "sixteen million, six hundred forty-two thousand, seven hundred eleven".