161133141232663 has 2 divisors, whose sum is σ = 161133141232664. Its totient is φ = 161133141232662.

The previous prime is 161133141232607. The next prime is 161133141232703. The reversal of 161133141232663 is 366232141331161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161133141232663 - 2⁴¹ = 158934117977111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161133141235663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80566570616331 + 80566570616332.

It is an arithmetic number, because the mean of its divisors is an integer number (80566570616332).

Almost surely, 2^{161133141232663} is an apocalyptic number.

161133141232663 is a deficient number, since it is larger than the sum of its proper divisors (1).

161133141232663 is an equidigital number, since it uses as much as digits as its factorization.

161133141232663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 43.

The spelling of 161133141232663 in words is "one hundred sixty-one trillion, one hundred thirty-three billion, one hundred forty-one million, two hundred thirty-two thousand, six hundred sixty-three".