2116281740 has 12 divisors (see below), whose sum is σ = 4444191696. Its totient is φ = 846512688.

The previous prime is 2116281721. The next prime is 2116281749. The reversal of 2116281740 is 471826112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2116281697 and 2116281706.

It is not an unprimeable number, because it can be changed into a prime (2116281749) 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 3 ways as a sum of consecutive naturals, for example, 52907024 + ... + 52907063.

It is an arithmetic number, because the mean of its divisors is an integer number (370349308).

Almost surely, 2^2116281740 is an apocalyptic number.

2116281740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116281740 is an abundant number, since it is smaller than the sum of its proper divisors (2327909956).

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

2116281740 is a wasteful number, since it uses less digits than its factorization.

2116281740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105814096 (or 105814094 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2116281740 is about 46003.0622893737. The cubic root of 2116281740 is about 1283.8801813316.

The spelling of 2116281740 in words is "two billion, one hundred sixteen million, two hundred eighty-one thousand, seven hundred forty".