2116458555 has 16 divisors (see below), whose sum is σ = 3389446944. Its totient is φ = 1127740160.

The previous prime is 2116458527. The next prime is 2116458557. The reversal of 2116458555 is 5558546112.

It is not a de Polignac number, because 2116458555 - 2²⁹ = 1579587643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2116458557) 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 15 ways as a sum of consecutive naturals, for example, 47856 + ... + 80765.

It is an arithmetic number, because the mean of its divisors is an integer number (211840434).

Almost surely, 2^2116458555 is an apocalyptic number.

2116458555 is a deficient number, since it is larger than the sum of its proper divisors (1272988389).

2116458555 is a wasteful number, since it uses less digits than its factorization.

2116458555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129726.

The product of its digits is 240000, while the sum is 42.

The square root of 2116458555 is about 46004.9840234729. The cubic root of 2116458555 is about 1283.9159363303.

The spelling of 2116458555 in words is "two billion, one hundred sixteen million, four hundred fifty-eight thousand, five hundred fifty-five".