161101061076031 has 2 divisors, whose sum is σ = 161101061076032. Its totient is φ = 161101061076030.

The previous prime is 161101061076023. The next prime is 161101061076083. The reversal of 161101061076031 is 130670160101161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161101061076031 - 2³ = 161101061076023 is a prime.

It is a super-2 number, since 2×161101061076031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161101061076731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80550530538015 + 80550530538016.

It is an arithmetic number, because the mean of its divisors is an integer number (80550530538016).

Almost surely, 2^{161101061076031} is an apocalyptic number.

161101061076031 is a deficient number, since it is larger than the sum of its proper divisors (1).

161101061076031 is an equidigital number, since it uses as much as digits as its factorization.

161101061076031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 161101061076031 in words is "one hundred sixty-one trillion, one hundred one billion, sixty-one million, seventy-six thousand, thirty-one".