2116918028 has 18 divisors (see below), whose sum is σ = 3716369244. Its totient is φ = 1055103504.

The previous prime is 2116917967. The next prime is 2116918039. The reversal of 2116918028 is 8208196112.

It is a junction number, because it is equal to n+sod(n) for n = 2116917982 and 2116918000.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1936250 + ... + 1937342.

It is an arithmetic number, because the mean of its divisors is an integer number (206464958).

Almost surely, 2^2116918028 is an apocalyptic number.

It is an amenable number.

2116918028 is a deficient number, since it is larger than the sum of its proper divisors (1599451216).

2116918028 is an equidigital number, since it uses as much as digits as its factorization.

2116918028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 2116918028 is about 46009.9774831503. The cubic root of 2116918028 is about 1284.0088402713.

The spelling of 2116918028 in words is "two billion, one hundred sixteen million, nine hundred eighteen thousand, twenty-eight".