321245820683660 has 48 divisors (see below), whose sum is σ = 698089886796960. Its totient is φ = 124029834109440.

The previous prime is 321245820683569. The next prime is 321245820683677. The reversal of 321245820683660 is 66386028542123.

It is a junction number, because it is equal to n+sod(n) for n = 321245820683596 and 321245820683605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81824321 + ... + 85660440.

It is an arithmetic number, because the mean of its divisors is an integer number (14543539308270).

Almost surely, 2^{321245820683660} is an apocalyptic number.

It is an amenable number.

321245820683660 is an abundant number, since it is smaller than the sum of its proper divisors (376844066113300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321245820683660 is a wasteful number, since it uses less digits than its factorization.

321245820683660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167488106 (or 167488104 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 321245820683660 in words is "three hundred twenty-one trillion, two hundred forty-five billion, eight hundred twenty million, six hundred eighty-three thousand, six hundred sixty".