2116124644 has 12 divisors (see below), whose sum is σ = 3703545468. Its totient is φ = 1057968800.

The previous prime is 2116124611. The next prime is 2116124669. The reversal of 2116124644 is 4464216112.

It can be written as a sum of positive squares in 2 ways, for example, as 1948163044 + 167961600 = 44138^2 + 12960^2 .

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 3 ways as a sum of consecutive naturals, for example, 62934 + ... + 90514.

It is an arithmetic number, because the mean of its divisors is an integer number (308628789).

Almost surely, 2^2116124644 is an apocalyptic number.

It is an amenable number.

2116124644 is a deficient number, since it is larger than the sum of its proper divisors (1587420824).

2116124644 is a wasteful number, since it uses less digits than its factorization.

2116124644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46766 (or 46764 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2116124644 is about 46001.3548061359. The cubic root of 2116124644 is about 1283.8484121791.

The spelling of 2116124644 in words is "two billion, one hundred sixteen million, one hundred twenty-four thousand, six hundred forty-four".