320294086156680 has 128 divisors (see below), whose sum is σ = 983763148164480. Its totient is φ = 83398340229120.

The previous prime is 320294086156643. The next prime is 320294086156753. The reversal of 320294086156680 is 86651680492023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158690674 + ... + 160696353.

It is an arithmetic number, because the mean of its divisors is an integer number (7685649595035).

Almost surely, 2^{320294086156680} is an apocalyptic number.

320294086156680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320294086156680 is an abundant number, since it is smaller than the sum of its proper divisors (663469062007800).

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

320294086156680 is a wasteful number, since it uses less digits than its factorization.

320294086156680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319387239 (or 319387235 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 320294086156680 in words is "three hundred twenty trillion, two hundred ninety-four billion, eighty-six million, one hundred fifty-six thousand, six hundred eighty".