162411316321 has 2 divisors, whose sum is σ = 162411316322. Its totient is φ = 162411316320.

The previous prime is 162411316307. The next prime is 162411316343. The reversal of 162411316321 is 123613114261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159651390096 + 2759926225 = 399564^2 + 52535^2 .

It is a cyclic number.

It is not a de Polignac number, because 162411316321 - 2²¹ = 162409219169 is a prime.

It is not a weakly prime, because it can be changed into another prime (162411356321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81205658160 + 81205658161.

It is an arithmetic number, because the mean of its divisors is an integer number (81205658161).

Almost surely, 2^162411316321 is an apocalyptic number.

It is an amenable number.

162411316321 is a deficient number, since it is larger than the sum of its proper divisors (1).

162411316321 is an equidigital number, since it uses as much as digits as its factorization.

162411316321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The spelling of 162411316321 in words is "one hundred sixty-two billion, four hundred eleven million, three hundred sixteen thousand, three hundred twenty-one".