168812200 has 24 divisors (see below), whose sum is σ = 392488830. Its totient is φ = 67524800.

The previous prime is 168812141. The next prime is 168812201. The reversal of 168812200 is 2218861.

It can be written as a sum of positive squares in 3 ways, for example, as 102454884 + 66357316 = 10122^2 + 8146^2 .

It is not an unprimeable number, because it can be changed into a prime (168812201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421831 + ... + 422230.

Almost surely, 2^168812200 is an apocalyptic number.

168812200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168812200 is an abundant number, since it is smaller than the sum of its proper divisors (223676630).

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

168812200 is a wasteful number, since it uses less digits than its factorization.

168812200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844077 (or 844068 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 168812200 is about 12992.7749153135. The cubic root of 168812200 is about 552.6726117919.

The spelling of 168812200 in words is "one hundred sixty-eight million, eight hundred twelve thousand, two hundred".