320185680133 has 8 divisors (see below), whose sum is σ = 351048715200. Its totient is φ = 289615186080.

The previous prime is 320185680097. The next prime is 320185680181. The reversal of 320185680133 is 331086581023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-320185680133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320185680533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73132960 + ... + 73137337.

It is an arithmetic number, because the mean of its divisors is an integer number (43881089400).

Almost surely, 2^320185680133 is an apocalyptic number.

It is an amenable number.

320185680133 is a deficient number, since it is larger than the sum of its proper divisors (30863035067).

320185680133 is a wasteful number, since it uses less digits than its factorization.

320185680133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146270507.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 320185680133 in words is "three hundred twenty billion, one hundred eighty-five million, six hundred eighty thousand, one hundred thirty-three".