321599600641 has 8 divisors (see below), whose sum is σ = 351063319104. Its totient is φ = 292173780720.

The previous prime is 321599600603. The next prime is 321599600653. The reversal of 321599600641 is 146006995123.

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 321599600641 - 2¹⁵ = 321599567873 is a prime.

It is a super-2 number, since 2×321599600641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321599600591 and 321599600600.

It is not an unprimeable number, because it can be changed into a prime (321599600671) 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, 9456886 + ... + 9490831.

It is an arithmetic number, because the mean of its divisors is an integer number (43882914888).

Almost surely, 2^321599600641 is an apocalyptic number.

It is an amenable number.

321599600641 is a deficient number, since it is larger than the sum of its proper divisors (29463718463).

321599600641 is a wasteful number, since it uses less digits than its factorization.

321599600641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18949271.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 321599600641 in words is "three hundred twenty-one billion, five hundred ninety-nine million, six hundred thousand, six hundred forty-one".