2106716875 has 20 divisors (see below), whose sum is σ = 2682266400. Its totient is φ = 1653548000.

The previous prime is 2106716869. The next prime is 2106716917. The reversal of 2106716875 is 5786176012.

It is not a de Polignac number, because 2106716875 - 2²¹ = 2104619723 is a prime.

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 19 ways as a sum of consecutive naturals, for example, 1326 + ... + 64924.

It is an arithmetic number, because the mean of its divisors is an integer number (134113320).

Almost surely, 2^2106716875 is an apocalyptic number.

2106716875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2106716875 is a deficient number, since it is larger than the sum of its proper divisors (575549525).

2106716875 is an frugal number, since it uses more digits than its factorization.

2106716875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63672 (or 63657 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 2106716875 is about 45898.9855552386. The cubic root of 2106716875 is about 1281.9430278103.

The spelling of 2106716875 in words is "two billion, one hundred six million, seven hundred sixteen thousand, eight hundred seventy-five".