162186730507973 has 2 divisors, whose sum is σ = 162186730507974. Its totient is φ = 162186730507972.

The previous prime is 162186730507877. The next prime is 162186730507979. The reversal of 162186730507973 is 379705037681261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160775476794529 + 1411253713444 = 12679727^2 + 1187962^2 .

It is a cyclic number.

It is not a de Polignac number, because 162186730507973 - 2²⁸ = 162186462072517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162186730507979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81093365253986 + 81093365253987.

It is an arithmetic number, because the mean of its divisors is an integer number (81093365253987).

Almost surely, 2^{162186730507973} is an apocalyptic number.

It is an amenable number.

162186730507973 is a deficient number, since it is larger than the sum of its proper divisors (1).

162186730507973 is an equidigital number, since it uses as much as digits as its factorization.

162186730507973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 162186730507973 in words is "one hundred sixty-two trillion, one hundred eighty-six billion, seven hundred thirty million, five hundred seven thousand, nine hundred seventy-three".