2099392660 has 12 divisors (see below), whose sum is σ = 4408724628. Its totient is φ = 839757056.

The previous prime is 2099392613. The next prime is 2099392709. The reversal of 2099392660 is 662939902.

It can be written as a sum of positive squares in 2 ways, for example, as 347300496 + 1752092164 = 18636^2 + 41858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2099392660.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52484797 + ... + 52484836.

It is an arithmetic number, because the mean of its divisors is an integer number (367393719).

Almost surely, 2^2099392660 is an apocalyptic number.

2099392660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2099392660 is an abundant number, since it is smaller than the sum of its proper divisors (2309331968).

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

2099392660 is a wasteful number, since it uses less digits than its factorization.

2099392660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104969642 (or 104969640 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 2099392660 is about 45819.1298476957. The cubic root of 2099392660 is about 1280.4557011876.

The spelling of 2099392660 in words is "two billion, ninety-nine million, three hundred ninety-two thousand, six hundred sixty".