162555338861 has 2 divisors, whose sum is σ = 162555338862. Its totient is φ = 162555338860.

The previous prime is 162555338837. The next prime is 162555338893. The reversal of 162555338861 is 168833555261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161930588836 + 624750025 = 402406^2 + 24995^2 .

It is a cyclic number.

It is not a de Polignac number, because 162555338861 - 2⁶ = 162555338797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162557338861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81277669430 + 81277669431.

It is an arithmetic number, because the mean of its divisors is an integer number (81277669431).

Almost surely, 2^162555338861 is an apocalyptic number.

It is an amenable number.

162555338861 is a deficient number, since it is larger than the sum of its proper divisors (1).

162555338861 is an equidigital number, since it uses as much as digits as its factorization.

162555338861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184000, while the sum is 53.

The spelling of 162555338861 in words is "one hundred sixty-two billion, five hundred fifty-five million, three hundred thirty-eight thousand, eight hundred sixty-one".