164491361339 has 2 divisors, whose sum is σ = 164491361340. Its totient is φ = 164491361338.

The previous prime is 164491361267. The next prime is 164491361347. The reversal of 164491361339 is 933163194461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164491361339 - 2²⁸ = 164222925883 is a prime.

It is not a weakly prime, because it can be changed into another prime (164491361389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82245680669 + 82245680670.

It is an arithmetic number, because the mean of its divisors is an integer number (82245680670).

Almost surely, 2^164491361339 is an apocalyptic number.

164491361339 is a deficient number, since it is larger than the sum of its proper divisors (1).

164491361339 is an equidigital number, since it uses as much as digits as its factorization.

164491361339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 50.

The spelling of 164491361339 in words is "one hundred sixty-four billion, four hundred ninety-one million, three hundred sixty-one thousand, three hundred thirty-nine".