162401611 has 2 divisors, whose sum is σ = 162401612. Its totient is φ = 162401610.

The previous prime is 162401609. The next prime is 162401633. The reversal of 162401611 is 116104261.

162401611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (162401633) can be obtained adding 162401611 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162401611 - 2¹ = 162401609 is a prime.

Together with 162401609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (162401671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81200805 + 81200806.

It is an arithmetic number, because the mean of its divisors is an integer number (81200806).

Almost surely, 2^162401611 is an apocalyptic number.

162401611 is a deficient number, since it is larger than the sum of its proper divisors (1).

162401611 is an equidigital number, since it uses as much as digits as its factorization.

162401611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 162401611 is about 12743.6890655728. The cubic root of 162401611 is about 545.5862848806.

Adding to 162401611 its reverse (116104261), we get a palindrome (278505872).

The spelling of 162401611 in words is "one hundred sixty-two million, four hundred one thousand, six hundred eleven".