162385554689 has 2 divisors, whose sum is σ = 162385554690. Its totient is φ = 162385554688.

The previous prime is 162385554677. The next prime is 162385554703. The reversal of 162385554689 is 986455583261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132933160000 + 29452394689 = 364600^2 + 171617^2 .

It is a cyclic number.

It is not a de Polignac number, because 162385554689 - 2²⁰ = 162384506113 is a prime.

It is not a weakly prime, because it can be changed into another prime (162385554619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81192777344 + 81192777345.

It is an arithmetic number, because the mean of its divisors is an integer number (81192777345).

Almost surely, 2^162385554689 is an apocalyptic number.

It is an amenable number.

162385554689 is a deficient number, since it is larger than the sum of its proper divisors (1).

162385554689 is an equidigital number, since it uses as much as digits as its factorization.

162385554689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208000, while the sum is 62.

The spelling of 162385554689 in words is "one hundred sixty-two billion, three hundred eighty-five million, five hundred fifty-four thousand, six hundred eighty-nine".