162644532 has 12 divisors (see below), whose sum is σ = 379503936. Its totient is φ = 54214840.

The previous prime is 162644527. The next prime is 162644539. The reversal of 162644532 is 235446261.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 162644493 and 162644502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162644539) 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, 6776844 + ... + 6776867.

It is an arithmetic number, because the mean of its divisors is an integer number (31625328).

Almost surely, 2^162644532 is an apocalyptic number.

162644532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162644532 is an abundant number, since it is smaller than the sum of its proper divisors (216859404).

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

162644532 is a wasteful number, since it uses less digits than its factorization.

162644532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553718 (or 13553716 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 162644532 is about 12753.2165354470. The cubic root of 162644532 is about 545.8581794309.

The spelling of 162644532 in words is "one hundred sixty-two million, six hundred forty-four thousand, five hundred thirty-two".