168232860 has 72 divisors (see below), whose sum is σ = 511602000. Its totient is φ = 44748288.

The previous prime is 168232847. The next prime is 168232861. The reversal of 168232860 is 68232861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168232861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88884 + ... + 90756.

Almost surely, 2^168232860 is an apocalyptic number.

168232860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168232860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255801000).

168232860 is an abundant number, since it is smaller than the sum of its proper divisors (343369140).

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

168232860 is a wasteful number, since it uses less digits than its factorization.

168232860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 168232860 is about 12970.4610557991. The cubic root of 168232860 is about 552.0396553112.

Subtracting from 168232860 its reverse (68232861), we obtain a palindrome (99999999).

It can be divided in two parts, 16823 and 2860, that added together give a 9-th power (19683 = 3⁹).

The spelling of 168232860 in words is "one hundred sixty-eight million, two hundred thirty-two thousand, eight hundred sixty".