162648648 has 84 divisors (see below), whose sum is σ = 459994515. Its totient is φ = 53891568.

The previous prime is 162648643. The next prime is 162648649. The reversal of 162648648 is 846846261.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

162648648 is a `hidden beast` number, since 162 + 6 + 486 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81324324 + 81324324 = 9018^2 + 9018^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9018.

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

It is not an unprimeable number, because it can be changed into a prime (162648643) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 973861 + ... + 974027.

Almost surely, 2^162648648 is an apocalyptic number.

162648648 is a gapful number since it is divisible by the number (18) 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 162648648

162648648 is an abundant number, since it is smaller than the sum of its proper divisors (297345867).

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

162648648 is an frugal number, since it uses more digits than its factorization.

162648648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 172 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 162648648 is about 12753.3779054806. The cubic root of 162648648 is about 545.8627840191.

The spelling of 162648648 in words is "one hundred sixty-two million, six hundred forty-eight thousand, six hundred forty-eight".