161118077226763 has 2 divisors, whose sum is σ = 161118077226764. Its totient is φ = 161118077226762.

The previous prime is 161118077226749. The next prime is 161118077226797. The reversal of 161118077226763 is 367622770811161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161118077226763 - 2²⁹ = 161117540355851 is a prime.

It is a super-3 number, since 3×161118077226763³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161118077226698 and 161118077226707.

It is not a weakly prime, because it can be changed into another prime (161118077226563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80559038613381 + 80559038613382.

It is an arithmetic number, because the mean of its divisors is an integer number (80559038613382).

Almost surely, 2^{161118077226763} is an apocalyptic number.

161118077226763 is a deficient number, since it is larger than the sum of its proper divisors (1).

161118077226763 is an equidigital number, since it uses as much as digits as its factorization.

161118077226763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 58.

The spelling of 161118077226763 in words is "one hundred sixty-one trillion, one hundred eighteen billion, seventy-seven million, two hundred twenty-six thousand, seven hundred sixty-three".