2116775276 has 96 divisors (see below), whose sum is σ = 4751104512. Its totient is φ = 801239040.

The previous prime is 2116775251. The next prime is 2116775293. The reversal of 2116775276 is 6725776112.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 31 ways as a sum of consecutive naturals, for example, 3668300 + ... + 3668876.

It is an arithmetic number, because the mean of its divisors is an integer number (49490672).

Almost surely, 2^2116775276 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 2116775276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2375552256).

2116775276 is an abundant number, since it is smaller than the sum of its proper divisors (2634329236).

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

2116775276 is a wasteful number, since it uses less digits than its factorization.

2116775276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 917 counting only the distinct ones).

The product of its digits is 246960, while the sum is 44.

The square root of 2116775276 is about 46008.4261413059. The cubic root of 2116775276 is about 1283.9799777224.

The spelling of 2116775276 in words is "two billion, one hundred sixteen million, seven hundred seventy-five thousand, two hundred seventy-six".