168532132 has 24 divisors (see below), whose sum is σ = 312100992. Its totient is φ = 79464000.

The previous prime is 168532129. The next prime is 168532139. The reversal of 168532132 is 231235861.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 168532094 and 168532103.

It is not an unprimeable number, because it can be changed into a prime (168532139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6369 + ... + 19432.

It is an arithmetic number, because the mean of its divisors is an integer number (13004208).

Almost surely, 2^168532132 is an apocalyptic number.

It is an amenable number.

168532132 is a deficient number, since it is larger than the sum of its proper divisors (143568860).

168532132 is a wasteful number, since it uses less digits than its factorization.

168532132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25899 (or 25897 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 168532132 is about 12981.9926051435. The cubic root of 168532132 is about 552.3668053173.

Adding to 168532132 its reverse (231235861), we get a palindrome (399767993).

The spelling of 168532132 in words is "one hundred sixty-eight million, five hundred thirty-two thousand, one hundred thirty-two".