2176868205 has 48 divisors (see below), whose sum is σ = 3968580096. Its totient is φ = 1102308480.

The previous prime is 2176868203. The next prime is 2176868219. The reversal of 2176868205 is 5028686712.

It is not a de Polignac number, because 2176868205 - 2¹ = 2176868203 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2176868203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59214 + ... + 88656.

It is an arithmetic number, because the mean of its divisors is an integer number (82678752).

Almost surely, 2^2176868205 is an apocalyptic number.

It is an amenable number.

2176868205 is a deficient number, since it is larger than the sum of its proper divisors (1791711891).

2176868205 is a wasteful number, since it uses less digits than its factorization.

2176868205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29538 (or 29535 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 2176868205 is about 46656.9202262644. The cubic root of 2176868205 is about 1296.0170411711.

The spelling of 2176868205 in words is "two billion, one hundred seventy-six million, eight hundred sixty-eight thousand, two hundred five".