320143673085 has 32 divisors (see below), whose sum is σ = 526339181952. Its totient is φ = 166044844800.

The previous prime is 320143673071. The next prime is 320143673117. The reversal of 320143673085 is 580376341023.

It is not a de Polignac number, because 320143673085 - 2⁹ = 320143672573 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 963910 + ... + 1252760.

It is an arithmetic number, because the mean of its divisors is an integer number (16448099436).

Almost surely, 2^320143673085 is an apocalyptic number.

It is an amenable number.

320143673085 is a deficient number, since it is larger than the sum of its proper divisors (206195508867).

320143673085 is a wasteful number, since it uses less digits than its factorization.

320143673085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290893.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 320143673085 in words is "three hundred twenty billion, one hundred forty-three million, six hundred seventy-three thousand, eighty-five".