162654161 has 2 divisors, whose sum is σ = 162654162. Its totient is φ = 162654160.

The previous prime is 162654143. The next prime is 162654221. The reversal of 162654161 is 161456261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153388225 + 9265936 = 12385^2 + 3044^2 .

It is an emirp because it is prime and its reverse (161456261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162654161 - 2²⁶ = 95545297 is a prime.

It is a super-2 number, since 2×162654161² = 52912752181227842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (162654101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81327080 + 81327081.

It is an arithmetic number, because the mean of its divisors is an integer number (81327081).

Almost surely, 2^162654161 is an apocalyptic number.

It is an amenable number.

162654161 is a deficient number, since it is larger than the sum of its proper divisors (1).

162654161 is an equidigital number, since it uses as much as digits as its factorization.

162654161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 162654161 is about 12753.5940424650. The cubic root of 162654161 is about 545.8689513161.

The spelling of 162654161 in words is "one hundred sixty-two million, six hundred fifty-four thousand, one hundred sixty-one".