162311566139 has 2 divisors, whose sum is σ = 162311566140. Its totient is φ = 162311566138.

The previous prime is 162311566097. The next prime is 162311566199. The reversal of 162311566139 is 931665113261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162311566139 - 2¹² = 162311562043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162311566139.

It is not a weakly prime, because it can be changed into another prime (162311566199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81155783069 + 81155783070.

It is an arithmetic number, because the mean of its divisors is an integer number (81155783070).

Almost surely, 2^162311566139 is an apocalyptic number.

162311566139 is a deficient number, since it is larger than the sum of its proper divisors (1).

162311566139 is an equidigital number, since it uses as much as digits as its factorization.

162311566139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 44.

The spelling of 162311566139 in words is "one hundred sixty-two billion, three hundred eleven million, five hundred sixty-six thousand, one hundred thirty-nine".