299007643660 has 96 divisors (see below), whose sum is σ = 707498717184. Its totient is φ = 105162720000.

The previous prime is 299007643631. The next prime is 299007643787. The reversal of 299007643660 is 66346700992.

It is a junction number, because it is equal to n+sod(n) for n = 299007643598 and 299007643607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12953289 + ... + 12976351.

It is an arithmetic number, because the mean of its divisors is an integer number (7369778304).

Almost surely, 2^299007643660 is an apocalyptic number.

299007643660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299007643660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353749358592).

299007643660 is an abundant number, since it is smaller than the sum of its proper divisors (408491073524).

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

299007643660 is a wasteful number, since it uses less digits than its factorization.

299007643660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25015 (or 25013 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 299007643660 in words is "two hundred ninety-nine billion, seven million, six hundred forty-three thousand, six hundred sixty".