165660105733 has 2 divisors, whose sum is σ = 165660105734. Its totient is φ = 165660105732.

The previous prime is 165660105643. The next prime is 165660105799. The reversal of 165660105733 is 337501066561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156770067364 + 8890038369 = 395942^2 + 94287^2 .

It is a cyclic number.

It is not a de Polignac number, because 165660105733 - 2¹⁷ = 165659974661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165660105733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165660100733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82830052866 + 82830052867.

It is an arithmetic number, because the mean of its divisors is an integer number (82830052867).

Almost surely, 2^165660105733 is an apocalyptic number.

It is an amenable number.

165660105733 is a deficient number, since it is larger than the sum of its proper divisors (1).

165660105733 is an equidigital number, since it uses as much as digits as its factorization.

165660105733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 165660105733 in words is "one hundred sixty-five billion, six hundred sixty million, one hundred five thousand, seven hundred thirty-three".