161015662763 has 2 divisors, whose sum is σ = 161015662764. Its totient is φ = 161015662762.

The previous prime is 161015662721. The next prime is 161015662799. The reversal of 161015662763 is 367266510161.

It is a strong prime.

It is an emirp because it is prime and its reverse (367266510161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161015662763 - 2¹⁸ = 161015400619 is a prime.

It is not a weakly prime, because it can be changed into another prime (161015662463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80507831381 + 80507831382.

It is an arithmetic number, because the mean of its divisors is an integer number (80507831382).

Almost surely, 2^161015662763 is an apocalyptic number.

161015662763 is a deficient number, since it is larger than the sum of its proper divisors (1).

161015662763 is an equidigital number, since it uses as much as digits as its factorization.

161015662763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 161015662763 in words is "one hundred sixty-one billion, fifteen million, six hundred sixty-two thousand, seven hundred sixty-three".