162205481 has 2 divisors, whose sum is σ = 162205482. Its totient is φ = 162205480.

The previous prime is 162205469. The next prime is 162205501. The reversal of 162205481 is 184502261.

162205481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155875225 + 6330256 = 12485^2 + 2516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162205481 is a prime.

It is a super-2 number, since 2×162205481² = 52621236132882722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162205181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81102740 + 81102741.

It is an arithmetic number, because the mean of its divisors is an integer number (81102741).

Almost surely, 2^162205481 is an apocalyptic number.

It is an amenable number.

162205481 is a deficient number, since it is larger than the sum of its proper divisors (1).

162205481 is an equidigital number, since it uses as much as digits as its factorization.

162205481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 162205481 is about 12735.9915593565. The cubic root of 162205481 is about 545.3665642699.

The spelling of 162205481 in words is "one hundred sixty-two million, two hundred five thousand, four hundred eighty-one".