180231768 has 48 divisors (see below), whose sum is σ = 503880000. Its totient is φ = 58138560.

The previous prime is 180231767. The next prime is 180231803. The reversal of 180231768 is 867132081.

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 (180231767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38143 + ... + 42606.

It is an arithmetic number, because the mean of its divisors is an integer number (10497500).

Almost surely, 2^180231768 is an apocalyptic number.

180231768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

180231768 is an abundant number, since it is smaller than the sum of its proper divisors (323648232).

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

180231768 is a wasteful number, since it uses less digits than its factorization.

180231768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80792 (or 80785 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 180231768 is about 13425.0425697649. The cubic root of 180231768 is about 564.8638489907.

It can be divided in two parts, 18023 and 1768, that added together give a palindrome (19791).

The spelling of 180231768 in words is "one hundred eighty million, two hundred thirty-one thousand, seven hundred sixty-eight".