250221052168 has 16 divisors (see below), whose sum is σ = 471231280080. Its totient is φ = 124559377488.

The previous prime is 250221052139. The next prime is 250221052177. The reversal of 250221052168 is 861250122052.

250221052168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×250221052168² (a number of 24 digits) contains 22 as substring.

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, 68891646 + ... + 68895277.

It is an arithmetic number, because the mean of its divisors is an integer number (29451955005).

Almost surely, 2^250221052168 is an apocalyptic number.

It is an amenable number.

250221052168 is a deficient number, since it is larger than the sum of its proper divisors (221010227912).

250221052168 is a wasteful number, since it uses less digits than its factorization.

250221052168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137787156 (or 137787152 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 250221052168 in words is "two hundred fifty billion, two hundred twenty-one million, fifty-two thousand, one hundred sixty-eight".