168256180 has 12 divisors (see below), whose sum is σ = 353338020. Its totient is φ = 67302464.

The previous prime is 168256163. The next prime is 168256181. The reversal of 168256180 is 81652861.

168256180 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132112036 + 36144144 = 11494^2 + 6012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168256181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206385 + ... + 4206424.

It is an arithmetic number, because the mean of its divisors is an integer number (29444835).

Almost surely, 2^168256180 is an apocalyptic number.

168256180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168256180 is an abundant number, since it is smaller than the sum of its proper divisors (185081840).

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

168256180 is a wasteful number, since it uses less digits than its factorization.

168256180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412818 (or 8412816 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 168256180 is about 12971.3599903788. The cubic root of 168256180 is about 552.0651615648.

It can be divided in two parts, 16825 and 6180, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 168256180 in words is "one hundred sixty-eight million, two hundred fifty-six thousand, one hundred eighty".