2016668855 has 16 divisors (see below), whose sum is σ = 2434976640. Its totient is φ = 1603381248.

The previous prime is 2016668839. The next prime is 2016668881. The reversal of 2016668855 is 5588666102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2016668855 - 2⁴ = 2016668839 is a prime.

It is a super-2 number, since 2×2016668855² = 8133906541454022050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731159 + ... + 733911.

It is an arithmetic number, because the mean of its divisors is an integer number (152186040).

Almost surely, 2^2016668855 is an apocalyptic number.

2016668855 is a deficient number, since it is larger than the sum of its proper divisors (418307785).

2016668855 is a wasteful number, since it uses less digits than its factorization.

2016668855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610.

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 2016668855 is about 44907.3363160186. The cubic root of 2016668855 is about 1263.4116107207.

The spelling of 2016668855 in words is "two billion, sixteen million, six hundred sixty-eight thousand, eight hundred fifty-five".