162120593 has 2 divisors, whose sum is σ = 162120594. Its totient is φ = 162120592.

The previous prime is 162120577. The next prime is 162120611. The reversal of 162120593 is 395021261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96963409 + 65157184 = 9847^2 + 8072^2 .

It is an emirp because it is prime and its reverse (395021261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162120593 - 2⁴ = 162120577 is a prime.

It is not a weakly prime, because it can be changed into another prime (162120523) 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, 81060296 + 81060297.

It is an arithmetic number, because the mean of its divisors is an integer number (81060297).

Almost surely, 2^162120593 is an apocalyptic number.

It is an amenable number.

162120593 is a deficient number, since it is larger than the sum of its proper divisors (1).

162120593 is an equidigital number, since it uses as much as digits as its factorization.

162120593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 162120593 is about 12732.6585205133. The cubic root of 162120593 is about 545.2714109806.

The spelling of 162120593 in words is "one hundred sixty-two million, one hundred twenty thousand, five hundred ninety-three".