168750510228 has 36 divisors (see below), whose sum is σ = 426645348948. Its totient is φ = 56239415040.

The previous prime is 168750510197. The next prime is 168750510233. The reversal of 168750510228 is 822015057861.

168750510228 is a `hidden beast` number, since 1 + 6 + 87 + 50 + 510 + 2 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 75455694864 + 93294815364 = 274692^2 + 305442^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×168750510228² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256101 + ... + 634892.

It is an arithmetic number, because the mean of its divisors is an integer number (11851259693).

Almost surely, 2^168750510228 is an apocalyptic number.

168750510228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

168750510228 is an abundant number, since it is smaller than the sum of its proper divisors (257894838720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168750510228 is a wasteful number, since it uses less digits than its factorization.

168750510228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896264 (or 896259 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 168750510228 in words is "one hundred sixty-eight billion, seven hundred fifty million, five hundred ten thousand, two hundred twenty-eight".