2168450252 has 6 divisors (see below), whose sum is σ = 3794787948. Its totient is φ = 1084225124.

The previous prime is 2168450203. The next prime is 2168450257. The reversal of 2168450252 is 2520548612.

It is not an unprimeable number, because it can be changed into a prime (2168450257) by changing a digit.

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 as a sum of consecutive naturals, namely, 271056278 + ... + 271056285.

It is an arithmetic number, because the mean of its divisors is an integer number (632464658).

Almost surely, 2^2168450252 is an apocalyptic number.

It is an amenable number.

2168450252 is a deficient number, since it is larger than the sum of its proper divisors (1626337696).

2168450252 is a wasteful number, since it uses less digits than its factorization.

2168450252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542112567 (or 542112565 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 2168450252 is about 46566.6216511355. The cubic root of 2168450252 is about 1294.3443164809.

Adding to 2168450252 its reverse (2520548612), we get a palindrome (4688998864).

The spelling of 2168450252 in words is "two billion, one hundred sixty-eight million, four hundred fifty thousand, two hundred fifty-two".