161053708093 has 2 divisors, whose sum is σ = 161053708094. Its totient is φ = 161053708092.

The previous prime is 161053708087. The next prime is 161053708097. The reversal of 161053708093 is 390807350161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87774135289 + 73279572804 = 296267^2 + 270702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161053708093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161053708097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80526854046 + 80526854047.

It is an arithmetic number, because the mean of its divisors is an integer number (80526854047).

Almost surely, 2^161053708093 is an apocalyptic number.

It is an amenable number.

161053708093 is a deficient number, since it is larger than the sum of its proper divisors (1).

161053708093 is an equidigital number, since it uses as much as digits as its factorization.

161053708093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 161053708093 in words is "one hundred sixty-one billion, fifty-three million, seven hundred eight thousand, ninety-three".