320258341681 has 8 divisors (see below), whose sum is σ = 321441341184. Its totient is φ = 319075649760.

The previous prime is 320258341649. The next prime is 320258341717. The reversal of 320258341681 is 186143852023.

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

It is a cyclic number.

It is not a de Polignac number, because 320258341681 - 2⁵ = 320258341649 is a prime.

It is a super-2 number, since 2×320258341681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320258341181) 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, 2125420 + ... + 2271106.

It is an arithmetic number, because the mean of its divisors is an integer number (40180167648).

Almost surely, 2^320258341681 is an apocalyptic number.

It is an amenable number.

320258341681 is a deficient number, since it is larger than the sum of its proper divisors (1182999503).

320258341681 is a wasteful number, since it uses less digits than its factorization.

320258341681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153791.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 320258341681 in words is "three hundred twenty billion, two hundred fifty-eight million, three hundred forty-one thousand, six hundred eighty-one".