162131536 has 80 divisors (see below), whose sum is σ = 368976384. Its totient is φ = 67588992.

The previous prime is 162131527. The next prime is 162131539. The reversal of 162131536 is 635131261.

162131536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162131539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994591 + ... + 994753.

Almost surely, 2^162131536 is an apocalyptic number.

162131536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162131536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184488192).

162131536 is an abundant number, since it is smaller than the sum of its proper divisors (206844848).

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

162131536 is a wasteful number, since it uses less digits than its factorization.

162131536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 362 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 162131536 is about 12733.0882349884. The cubic root of 162131536 is about 545.2836791543.

Adding to 162131536 its reverse (635131261), we get a palindrome (797262797).

The spelling of 162131536 in words is "one hundred sixty-two million, one hundred thirty-one thousand, five hundred thirty-six".