2104192660 has 12 divisors (see below), whose sum is σ = 4418804628. Its totient is φ = 841677056.

The previous prime is 2104192631. The next prime is 2104192667. The reversal of 2104192660 is 662914012.

It can be written as a sum of positive squares in 2 ways, for example, as 560174224 + 1544018436 = 23668^2 + 39294^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104192667) 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 3 ways as a sum of consecutive naturals, for example, 52604797 + ... + 52604836.

It is an arithmetic number, because the mean of its divisors is an integer number (368233719).

Almost surely, 2^2104192660 is an apocalyptic number.

2104192660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104192660 is an abundant number, since it is smaller than the sum of its proper divisors (2314611968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2104192660 is a wasteful number, since it uses less digits than its factorization.

2104192660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105209642 (or 105209640 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2104192660 is about 45871.4798104443. The cubic root of 2104192660 is about 1281.4308259240.

The spelling of 2104192660 in words is "two billion, one hundred four million, one hundred ninety-two thousand, six hundred sixty".