162573185113321 has 2 divisors, whose sum is σ = 162573185113322. Its totient is φ = 162573185113320.

The previous prime is 162573185113289. The next prime is 162573185113327. The reversal of 162573185113321 is 123311581375261.

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., 91262101734400 + 71311083378921 = 9553120^2 + 8444589^2 .

It is a cyclic number.

It is not a de Polignac number, because 162573185113321 - 2⁵ = 162573185113289 is a prime.

It is a super-2 number, since 2×162573185113321² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162573185113327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81286592556660 + 81286592556661.

It is an arithmetic number, because the mean of its divisors is an integer number (81286592556661).

Almost surely, 2^{162573185113321} is an apocalyptic number.

It is an amenable number.

162573185113321 is a deficient number, since it is larger than the sum of its proper divisors (1).

162573185113321 is an equidigital number, since it uses as much as digits as its factorization.

162573185113321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 49.

The spelling of 162573185113321 in words is "one hundred sixty-two trillion, five hundred seventy-three billion, one hundred eighty-five million, one hundred thirteen thousand, three hundred twenty-one".