160720711707213 has 84 divisors (see below), whose sum is σ = 296802012594780. Its totient is φ = 86438029499136.

The previous prime is 160720711707211. The next prime is 160720711707217. The reversal of 160720711707213 is 312707117027061.

160720711707213 is a `hidden beast` number, since 1 + 60 + 7 + 207 + 1 + 170 + 7 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 83340065130084 + 77380646577129 = 9129078^2 + 8796627^2 .

It is not a de Polignac number, because 160720711707213 - 2¹ = 160720711707211 is a prime.

It is a super-3 number, since 3×160720711707213³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160720711707211) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 131726098 + ... + 132940611.

It is an arithmetic number, because the mean of its divisors is an integer number (3533357292795).

Almost surely, 2^{160720711707213} is an apocalyptic number.

It is an amenable number.

160720711707213 is a deficient number, since it is larger than the sum of its proper divisors (136081300887567).

160720711707213 is an equidigital number, since it uses as much as digits as its factorization.

160720711707213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264666758 (or 264666736 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 45.

The spelling of 160720711707213 in words is "one hundred sixty trillion, seven hundred twenty billion, seven hundred eleven million, seven hundred seven thousand, two hundred thirteen".