2168853290 has 8 divisors (see below), whose sum is σ = 3903935940. Its totient is φ = 867541312.

The previous prime is 2168853289. The next prime is 2168853293. The reversal of 2168853290 is 923588612.

It can be written as a sum of positive squares in 2 ways, for example, as 2020232809 + 148620481 = 44947^2 + 12191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2168853293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108442655 + ... + 108442674.

Almost surely, 2^2168853290 is an apocalyptic number.

2168853290 is a deficient number, since it is larger than the sum of its proper divisors (1735082650).

2168853290 is a wasteful number, since it uses less digits than its factorization.

2168853290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216885336.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 2168853290 is about 46570.9489918340. The cubic root of 2168853290 is about 1294.4245024152.

The spelling of 2168853290 in words is "two billion, one hundred sixty-eight million, eight hundred fifty-three thousand, two hundred ninety".