162673913 has 2 divisors, whose sum is σ = 162673914. Its totient is φ = 162673912.

The previous prime is 162673897. The next prime is 162673921. The reversal of 162673913 is 319376261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162511504 + 162409 = 12748^2 + 403^2 .

It is an emirp because it is prime and its reverse (319376261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162673913 - 2⁴ = 162673897 is a prime.

It is not a weakly prime, because it can be changed into another prime (162673013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81336956 + 81336957.

It is an arithmetic number, because the mean of its divisors is an integer number (81336957).

Almost surely, 2^162673913 is an apocalyptic number.

It is an amenable number.

162673913 is a deficient number, since it is larger than the sum of its proper divisors (1).

162673913 is an equidigital number, since it uses as much as digits as its factorization.

162673913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 162673913 is about 12754.3683889090. The cubic root of 162673913 is about 545.8910463900.

The spelling of 162673913 in words is "one hundred sixty-two million, six hundred seventy-three thousand, nine hundred thirteen".