162071641 has 2 divisors, whose sum is σ = 162071642. Its totient is φ = 162071640.

The previous prime is 162071617. The next prime is 162071669. The reversal of 162071641 is 146170261.

It is an a-pointer prime, because the next prime (162071669) can be obtained adding 162071641 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125529616 + 36542025 = 11204^2 + 6045^2 .

It is a cyclic number.

It is not a de Polignac number, because 162071641 - 2⁷ = 162071513 is a prime.

It is not a weakly prime, because it can be changed into another prime (162071671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81035820 + 81035821.

It is an arithmetic number, because the mean of its divisors is an integer number (81035821).

Almost surely, 2^162071641 is an apocalyptic number.

It is an amenable number.

162071641 is a deficient number, since it is larger than the sum of its proper divisors (1).

162071641 is an equidigital number, since it uses as much as digits as its factorization.

162071641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 162071641 is about 12730.7360745559. The cubic root of 162071641 is about 545.2165242393.

The spelling of 162071641 in words is "one hundred sixty-two million, seventy-one thousand, six hundred forty-one".