161152206263 has 2 divisors, whose sum is σ = 161152206264. Its totient is φ = 161152206262.

The previous prime is 161152206233. The next prime is 161152206269. The reversal of 161152206263 is 362602251161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161152206263 - 2¹⁰ = 161152205239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161152206269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80576103131 + 80576103132.

It is an arithmetic number, because the mean of its divisors is an integer number (80576103132).

Almost surely, 2^161152206263 is an apocalyptic number.

161152206263 is a deficient number, since it is larger than the sum of its proper divisors (1).

161152206263 is an equidigital number, since it uses as much as digits as its factorization.

161152206263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 161152206263 in words is "one hundred sixty-one billion, one hundred fifty-two million, two hundred six thousand, two hundred sixty-three".