162648647 has 4 divisors (see below), whose sum is σ = 185884176. Its totient is φ = 139413120.

The previous prime is 162648643. The next prime is 162648649. The reversal of 162648647 is 746846261.

162648647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 162648647 - 2² = 162648643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162648598 and 162648607.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11617754 + ... + 11617767.

It is an arithmetic number, because the mean of its divisors is an integer number (46471044).

Almost surely, 2^162648647 is an apocalyptic number.

162648647 is a deficient number, since it is larger than the sum of its proper divisors (23235529).

162648647 is an equidigital number, since it uses as much as digits as its factorization.

162648647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23235528.

The product of its digits is 387072, while the sum is 44.

The square root of 162648647 is about 12753.3778662753. The cubic root of 162648647 is about 545.8627829004.

The spelling of 162648647 in words is "one hundred sixty-two million, six hundred forty-eight thousand, six hundred forty-seven".