162531132 has 12 divisors (see below), whose sum is σ = 379239336. Its totient is φ = 54177040.

The previous prime is 162531077. The next prime is 162531139. The reversal of 162531132 is 231135261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162531139) 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, 6772119 + ... + 6772142.

It is an arithmetic number, because the mean of its divisors is an integer number (31603278).

Almost surely, 2^162531132 is an apocalyptic number.

162531132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162531132 is an abundant number, since it is smaller than the sum of its proper divisors (216708204).

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

162531132 is a wasteful number, since it uses less digits than its factorization.

162531132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544268 (or 13544266 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 162531132 is about 12748.7698230065. The cubic root of 162531132 is about 545.7312877600.

Adding to 162531132 its reverse (231135261), we get a palindrome (393666393).

The spelling of 162531132 in words is "one hundred sixty-two million, five hundred thirty-one thousand, one hundred thirty-two".