2106162459 has 8 divisors (see below), whose sum is σ = 3120240720. Its totient is φ = 1404108288.

The previous prime is 2106162451. The next prime is 2106162467. The reversal of 2106162459 is 9542616012.

2106162459 is a `hidden beast` number, since 2 + 10 + 616 + 24 + 5 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (2106162451) and next prime (2106162467).

It is not a de Polignac number, because 2106162459 - 2³ = 2106162451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2106162451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39002982 + ... + 39003035.

It is an arithmetic number, because the mean of its divisors is an integer number (390030090).

Almost surely, 2^2106162459 is an apocalyptic number.

2106162459 is a deficient number, since it is larger than the sum of its proper divisors (1014078261).

2106162459 is an equidigital number, since it uses as much as digits as its factorization.

2106162459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78006026 (or 78006020 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2106162459 is about 45892.9456343783. The cubic root of 2106162459 is about 1281.8305633892.

The spelling of 2106162459 in words is "two billion, one hundred six million, one hundred sixty-two thousand, four hundred fifty-nine".