168422200250 has 32 divisors (see below), whose sum is σ = 333832623696. Its totient is φ = 63406003200.

The previous prime is 168422200187. The next prime is 168422200307. The reversal of 168422200250 is 52002224861.

It can be written as a sum of positive squares in 8 ways, for example, as 6664599769 + 161757600481 = 81637^2 + 402191^2 .

It is a super-2 number, since 2×168422200250² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19810127 + ... + 19818626.

Almost surely, 2^168422200250 is an apocalyptic number.

168422200250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168422200250 is a deficient number, since it is larger than the sum of its proper divisors (165410423446).

168422200250 is a wasteful number, since it uses less digits than its factorization.

168422200250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39628787 (or 39628777 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 168422200250 in words is "one hundred sixty-eight billion, four hundred twenty-two million, two hundred thousand, two hundred fifty".