320612405659 has 16 divisors (see below), whose sum is σ = 395008058368. Its totient is φ = 253408956192.

The previous prime is 320612405657. The next prime is 320612405741. The reversal of 320612405659 is 956504216023.

It is not a de Polignac number, because 320612405659 - 2¹ = 320612405657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320612405657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733727 + ... + 1909720.

It is an arithmetic number, because the mean of its divisors is an integer number (24688003648).

Almost surely, 2^320612405659 is an apocalyptic number.

320612405659 is a deficient number, since it is larger than the sum of its proper divisors (74395652709).

320612405659 is a wasteful number, since it uses less digits than its factorization.

320612405659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644434.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 320612405659 in words is "three hundred twenty billion, six hundred twelve million, four hundred five thousand, six hundred fifty-nine".