67755635161 has 2 divisors, whose sum is σ = 67755635162. Its totient is φ = 67755635160.

The previous prime is 67755635069. The next prime is 67755635201. The reversal of 67755635161 is 16153655776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67340250000 + 415385161 = 259500^2 + 20381^2 .

It is a cyclic number.

It is not a de Polignac number, because 67755635161 - 2¹⁵ = 67755602393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67755635099 and 67755635108.

It is not a weakly prime, because it can be changed into another prime (67755635261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33877817580 + 33877817581.

It is an arithmetic number, because the mean of its divisors is an integer number (33877817581).

Almost surely, 2^67755635161 is an apocalyptic number.

It is an amenable number.

67755635161 is a deficient number, since it is larger than the sum of its proper divisors (1).

67755635161 is an equidigital number, since it uses as much as digits as its factorization.

67755635161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969000, while the sum is 52.

The spelling of 67755635161 in words is "sixty-seven billion, seven hundred fifty-five million, six hundred thirty-five thousand, one hundred sixty-one".