161550600105701 has 2 divisors, whose sum is σ = 161550600105702. Its totient is φ = 161550600105700.

The previous prime is 161550600105571. The next prime is 161550600105779. The reversal of 161550600105701 is 107501006055161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130687308741025 + 30863291364676 = 11431855^2 + 5555474^2 .

It is a cyclic number.

It is not a de Polignac number, because 161550600105701 - 2³⁸ = 161275722198757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161550660105701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80775300052850 + 80775300052851.

It is an arithmetic number, because the mean of its divisors is an integer number (80775300052851).

Almost surely, 2^{161550600105701} is an apocalyptic number.

It is an amenable number.

161550600105701 is a deficient number, since it is larger than the sum of its proper divisors (1).

161550600105701 is an equidigital number, since it uses as much as digits as its factorization.

161550600105701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 38.

The spelling of 161550600105701 in words is "one hundred sixty-one trillion, five hundred fifty billion, six hundred million, one hundred five thousand, seven hundred one".