162062728640861 has 2 divisors, whose sum is σ = 162062728640862. Its totient is φ = 162062728640860.

The previous prime is 162062728640831. The next prime is 162062728640941. The reversal of 162062728640861 is 168046827260261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161003488351225 + 1059240289636 = 12688715^2 + 1029194^2 .

It is a cyclic number.

It is not a de Polignac number, because 162062728640861 - 2¹⁴ = 162062728624477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162062728640861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162062728640831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81031364320430 + 81031364320431.

It is an arithmetic number, because the mean of its divisors is an integer number (81031364320431).

Almost surely, 2^{162062728640861} is an apocalyptic number.

It is an amenable number.

162062728640861 is a deficient number, since it is larger than the sum of its proper divisors (1).

162062728640861 is an equidigital number, since it uses as much as digits as its factorization.

162062728640861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 162062728640861 in words is "one hundred sixty-two trillion, sixty-two billion, seven hundred twenty-eight million, six hundred forty thousand, eight hundred sixty-one".