162906388069 has 2 divisors, whose sum is σ = 162906388070. Its totient is φ = 162906388068.

The previous prime is 162906388063. The next prime is 162906388081. The reversal of 162906388069 is 960883609261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123104143044 + 39802245025 = 350862^2 + 199505^2 .

It is a cyclic number.

It is not a de Polignac number, because 162906388069 - 2¹¹ = 162906386021 is a prime.

It is a super-2 number, since 2×162906388069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162906388063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81453194034 + 81453194035.

It is an arithmetic number, because the mean of its divisors is an integer number (81453194035).

Almost surely, 2^162906388069 is an apocalyptic number.

It is an amenable number.

162906388069 is a deficient number, since it is larger than the sum of its proper divisors (1).

162906388069 is an equidigital number, since it uses as much as digits as its factorization.

162906388069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 162906388069 in words is "one hundred sixty-two billion, nine hundred six million, three hundred eighty-eight thousand, sixty-nine".