168542260 has 12 divisors (see below), whose sum is σ = 353938788. Its totient is φ = 67416896.

The previous prime is 168542239. The next prime is 168542263. The reversal of 168542260 is 62245861.

It can be written as a sum of positive squares in 2 ways, for example, as 52678564 + 115863696 = 7258^2 + 10764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168542263) 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, 4213537 + ... + 4213576.

It is an arithmetic number, because the mean of its divisors is an integer number (29494899).

Almost surely, 2^168542260 is an apocalyptic number.

168542260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168542260 is an abundant number, since it is smaller than the sum of its proper divisors (185396528).

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

168542260 is a wasteful number, since it uses less digits than its factorization.

168542260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427122 (or 8427120 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 168542260 is about 12982.3826780757. The cubic root of 168542260 is about 552.3778699906.

The spelling of 168542260 in words is "one hundred sixty-eight million, five hundred forty-two thousand, two hundred sixty".