2126610918 has 12 divisors (see below), whose sum is σ = 4607657028. Its totient is φ = 708870300.

The previous prime is 2126610911. The next prime is 2126610953. The reversal of 2126610918 is 8190166212.

2126610918 is a `hidden beast` number, since 2 + 1 + 26 + 610 + 9 + 18 = 666.

2126610918 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126610911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59072508 + ... + 59072543.

It is an arithmetic number, because the mean of its divisors is an integer number (383971419).

Almost surely, 2^2126610918 is an apocalyptic number.

2126610918 is an abundant number, since it is smaller than the sum of its proper divisors (2481046110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126610918 is a wasteful number, since it uses less digits than its factorization.

2126610918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118145059 (or 118145056 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2126610918 is about 46115.1918352293. The cubic root of 2126610918 is about 1285.9655857254.

The spelling of 2126610918 in words is "two billion, one hundred twenty-six million, six hundred ten thousand, nine hundred eighteen".