320660461464 has 64 divisors (see below), whose sum is σ = 924578054400. Its totient is φ = 90776744064.

The previous prime is 320660461403. The next prime is 320660461481. The reversal of 320660461464 is 464164066023.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8737162 + ... + 8773785.

It is an arithmetic number, because the mean of its divisors is an integer number (14446532100).

Almost surely, 2^320660461464 is an apocalyptic number.

It is an amenable number.

320660461464 is an abundant number, since it is smaller than the sum of its proper divisors (603917592936).

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

320660461464 is a wasteful number, since it uses less digits than its factorization.

320660461464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511072 (or 17511068 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 320660461464 in words is "three hundred twenty billion, six hundred sixty million, four hundred sixty-one thousand, four hundred sixty-four".