320138355183 has 32 divisors (see below), whose sum is σ = 461248128000. Its totient is φ = 196901650176.

The previous prime is 320138355169. The next prime is 320138355191. The reversal of 320138355183 is 381553831023.

It is not a de Polignac number, because 320138355183 - 2⁵ = 320138355151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320138355113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1852243 + ... + 2017691.

It is an arithmetic number, because the mean of its divisors is an integer number (14414004000).

Almost surely, 2^320138355183 is an apocalyptic number.

320138355183 is a deficient number, since it is larger than the sum of its proper divisors (141109772817).

320138355183 is a wasteful number, since it uses less digits than its factorization.

320138355183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166471.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 320138355183 in words is "three hundred twenty billion, one hundred thirty-eight million, three hundred fifty-five thousand, one hundred eighty-three".