162211488977 has 2 divisors, whose sum is σ = 162211488978. Its totient is φ = 162211488976.

The previous prime is 162211488961. The next prime is 162211489003. The reversal of 162211488977 is 779884112261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139639731856 + 22571757121 = 373684^2 + 150239^2 .

It is an emirp because it is prime and its reverse (779884112261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162211488977 - 2⁴ = 162211488961 is a prime.

It is a super-2 number, since 2×162211488977² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162711488977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81105744488 + 81105744489.

It is an arithmetic number, because the mean of its divisors is an integer number (81105744489).

Almost surely, 2^162211488977 is an apocalyptic number.

It is an amenable number.

162211488977 is a deficient number, since it is larger than the sum of its proper divisors (1).

162211488977 is an equidigital number, since it uses as much as digits as its factorization.

162211488977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 56.

The spelling of 162211488977 in words is "one hundred sixty-two billion, two hundred eleven million, four hundred eighty-eight thousand, nine hundred seventy-seven".