2116553103 has 24 divisors (see below), whose sum is σ = 3514207008. Its totient is φ = 1202461632.

The previous prime is 2116553093. The next prime is 2116553129. The reversal of 2116553103 is 3013556112.

2116553103 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 553 + 103 = 666.

It is not a de Polignac number, because 2116553103 - 2¹⁸ = 2116290959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116513103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86200 + ... + 107997.

It is an arithmetic number, because the mean of its divisors is an integer number (146425292).

Almost surely, 2^2116553103 is an apocalyptic number.

2116553103 is a deficient number, since it is larger than the sum of its proper divisors (1397653905).

2116553103 is a wasteful number, since it uses less digits than its factorization.

2116553103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194383 (or 194380 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2116553103 is about 46006.0115963121. The cubic root of 2116553103 is about 1283.9350547260.

The spelling of 2116553103 in words is "two billion, one hundred sixteen million, five hundred fifty-three thousand, one hundred three".