320008181834 has 16 divisors (see below), whose sum is σ = 551210266080. Its totient is φ = 137802566160.

The previous prime is 320008181767. The next prime is 320008181881. The reversal of 320008181834 is 438181800023.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382784489 + ... + 382785324.

It is an arithmetic number, because the mean of its divisors is an integer number (34450641630).

Almost surely, 2^320008181834 is an apocalyptic number.

320008181834 is a deficient number, since it is larger than the sum of its proper divisors (231202084246).

320008181834 is a wasteful number, since it uses less digits than its factorization.

320008181834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765569845.

The product of its (nonzero) digits is 36864, while the sum is 38.

Adding to 320008181834 its reverse (438181800023), we get a palindrome (758189981857).

The spelling of 320008181834 in words is "three hundred twenty billion, eight million, one hundred eighty-one thousand, eight hundred thirty-four".