162648649 has 2 divisors, whose sum is σ = 162648650. Its totient is φ = 162648648.

The previous prime is 162648643. The next prime is 162648653. The reversal of 162648649 is 946846261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154554624 + 8094025 = 12432^2 + 2845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162648649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162648599 and 162648608.

It is not a weakly prime, because it can be changed into another prime (162648643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81324324 + 81324325.

It is an arithmetic number, because the mean of its divisors is an integer number (81324325).

Almost surely, 2^162648649 is an apocalyptic number.

It is an amenable number.

162648649 is a deficient number, since it is larger than the sum of its proper divisors (1).

162648649 is an equidigital number, since it uses as much as digits as its factorization.

162648649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 46.

The square root of 162648649 is about 12753.3779446859. The cubic root of 162648649 is about 545.8627851378.

The spelling of 162648649 in words is "one hundred sixty-two million, six hundred forty-eight thousand, six hundred forty-nine".