232331166 has 20 divisors (see below), whose sum is σ = 520594272. Its totient is φ = 77443668.

The previous prime is 232331147. The next prime is 232331201. The reversal of 232331166 is 661133232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 716910 + ... + 717233.

Almost surely, 2^232331166 is an apocalyptic number.

232331166 is an abundant number, since it is smaller than the sum of its proper divisors (288263106).

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

232331166 is a wasteful number, since it uses less digits than its factorization.

232331166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434157 (or 1434148 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 232331166 is about 15242.4133915860. The cubic root of 232331166 is about 614.7555959253.

Adding to 232331166 its reverse (661133232), we get a palindrome (893464398).

It can be divided in two parts, 2323 and 31166, that added together give a square (33489 = 183²).

The spelling of 232331166 in words is "two hundred thirty-two million, three hundred thirty-one thousand, one hundred sixty-six".