162115973 has 2 divisors, whose sum is σ = 162115974. Its totient is φ = 162115972.

The previous prime is 162115963. The next prime is 162116033. The reversal of 162115973 is 379511261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161747524 + 368449 = 12718^2 + 607^2 .

It is an emirp because it is prime and its reverse (379511261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162115973 - 2¹² = 162111877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162115963) 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, 81057986 + 81057987.

It is an arithmetic number, because the mean of its divisors is an integer number (81057987).

Almost surely, 2^162115973 is an apocalyptic number.

It is an amenable number.

162115973 is a deficient number, since it is larger than the sum of its proper divisors (1).

162115973 is an equidigital number, since it uses as much as digits as its factorization.

162115973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 35.

The square root of 162115973 is about 12732.4770959935. The cubic root of 162115973 is about 545.2662313428.

The spelling of 162115973 in words is "one hundred sixty-two million, one hundred fifteen thousand, nine hundred seventy-three".