161071660565151 has 8 divisors (see below), whose sum is σ = 245442530385024. Its totient is φ = 92040948894360.

The previous prime is 161071660565117. The next prime is 161071660565159. The reversal of 161071660565151 is 151565066170161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161071660565151 - 2¹⁰ = 161071660564127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161071660565094 and 161071660565103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161071660565159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3835039537245 + ... + 3835039537286.

It is an arithmetic number, because the mean of its divisors is an integer number (30680316298128).

Almost surely, 2^{161071660565151} is an apocalyptic number.

161071660565151 is a deficient number, since it is larger than the sum of its proper divisors (84370869819873).

161071660565151 is an equidigital number, since it uses as much as digits as its factorization.

161071660565151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670079074541.

The product of its (nonzero) digits is 1134000, while the sum is 51.

The spelling of 161071660565151 in words is "one hundred sixty-one trillion, seventy-one billion, six hundred sixty million, five hundred sixty-five thousand, one hundred fifty-one".