2116726064 has 40 divisors (see below), whose sum is σ = 4288416000. Its totient is φ = 1010230848.

The previous prime is 2116726043. The next prime is 2116726091. The reversal of 2116726064 is 4606276112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177869 + ... + 189395.

It is an arithmetic number, because the mean of its divisors is an integer number (107210400).

Almost surely, 2^2116726064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2116726064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2144208000).

2116726064 is an abundant number, since it is smaller than the sum of its proper divisors (2171689936).

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

2116726064 is a wasteful number, since it uses less digits than its factorization.

2116726064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12057 (or 12051 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2116726064 is about 46007.8913231198. The cubic root of 2116726064 is about 1283.9700274121.

The spelling of 2116726064 in words is "two billion, one hundred sixteen million, seven hundred twenty-six thousand, sixty-four".