2252918168 has 16 divisors (see below), whose sum is σ = 4224860160. Its totient is φ = 1126288800.

The previous prime is 2252918159. The next prime is 2252918191. The reversal of 2252918168 is 8618192522.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 48338 + ... + 82718.

It is an arithmetic number, because the mean of its divisors is an integer number (264053760).

Almost surely, 2^2252918168 is an apocalyptic number.

It is an amenable number.

2252918168 is a deficient number, since it is larger than the sum of its proper divisors (1971941992).

2252918168 is a wasteful number, since it uses less digits than its factorization.

2252918168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42578 (or 42574 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 2252918168 is about 47464.9151268598. The cubic root of 2252918168 is about 1310.9369533832.

The spelling of 2252918168 in words is "two billion, two hundred fifty-two million, nine hundred eighteen thousand, one hundred sixty-eight".