320664801446 has 24 divisors (see below), whose sum is σ = 531467540352. Its totient is φ = 144993582800.

The previous prime is 320664801419. The next prime is 320664801467. The reversal of 320664801446 is 644108466023.

It is a junction number, because it is equal to n+sod(n) for n = 320664801397 and 320664801406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3422525 + ... + 3514968.

It is an arithmetic number, because the mean of its divisors is an integer number (22144480848).

Almost surely, 2^320664801446 is an apocalyptic number.

320664801446 is a deficient number, since it is larger than the sum of its proper divisors (210802738906).

320664801446 is a wasteful number, since it uses less digits than its factorization.

320664801446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937708 (or 6937697 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 320664801446 in words is "three hundred twenty billion, six hundred sixty-four million, eight hundred one thousand, four hundred forty-six".