320107177402256 has 10 divisors (see below), whose sum is σ = 620207656216902. Its totient is φ = 160053588701120.

The previous prime is 320107177402253. The next prime is 320107177402261. The reversal of 320107177402256 is 652204771701023.

It can be written as a sum of positive squares in only one way, i.e., 281433504960400 + 38673672441856 = 16775980^2 + 6218816^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 320107177402256.

It is not an unprimeable number, because it can be changed into a prime (320107177402253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003349293805 + ... + 10003349293836.

Almost surely, 2^{320107177402256} is an apocalyptic number.

It is an amenable number.

320107177402256 is a deficient number, since it is larger than the sum of its proper divisors (300100478814646).

320107177402256 is a wasteful number, since it uses less digits than its factorization.

320107177402256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20006698587649 (or 20006698587643 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 320107177402256 in words is "three hundred twenty trillion, one hundred seven billion, one hundred seventy-seven million, four hundred two thousand, two hundred fifty-six".