818795167320 has 128 divisors (see below), whose sum is σ = 2647909232640. Its totient is φ = 201353694720.

The previous prime is 818795167283. The next prime is 818795167327. The reversal of 818795167320 is 23761597818.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818795167327) 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, 1353817 + ... + 1862903.

It is an arithmetic number, because the mean of its divisors is an integer number (20686790880).

Almost surely, 2^818795167320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818795167320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323954616320).

818795167320 is an abundant number, since it is smaller than the sum of its proper divisors (1829114065320).

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

818795167320 is a wasteful number, since it uses less digits than its factorization.

818795167320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510145 (or 510141 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 818795167320 in words is "eight hundred eighteen billion, seven hundred ninety-five million, one hundred sixty-seven thousand, three hundred twenty".