2016126855 has 80 divisors (see below), whose sum is σ = 3758809824. Its totient is φ = 1032963840.

The previous prime is 2016126851. The next prime is 2016126857. The reversal of 2016126855 is 5586216102.

It is not a de Polignac number, because 2016126855 - 2² = 2016126851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016126851) 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 79 ways as a sum of consecutive naturals, for example, 1242945 + ... + 1244565.

Almost surely, 2^2016126855 is an apocalyptic number.

2016126855 is a deficient number, since it is larger than the sum of its proper divisors (1742682969).

2016126855 is a wasteful number, since it uses less digits than its factorization.

2016126855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 2016126855 is about 44901.3012617675. The cubic root of 2016126855 is about 1263.2984157281.

The spelling of 2016126855 in words is "two billion, sixteen million, one hundred twenty-six thousand, eight hundred fifty-five".