818210160 has 120 divisors (see below), whose sum is σ = 2849661360. Its totient is φ = 218184192.

The previous prime is 818210143. The next prime is 818210179. The reversal of 818210160 is 61012818.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1605 + ... + 40484.

It is an arithmetic number, because the mean of its divisors is an integer number (23747178).

Almost surely, 2^818210160 is an apocalyptic number.

818210160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818210160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424830680).

818210160 is an abundant number, since it is smaller than the sum of its proper divisors (2031451200).

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

818210160 is a wasteful number, since it uses less digits than its factorization.

818210160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42117 (or 42099 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 818210160 is about 28604.3730922389. The cubic root of 818210160 is about 935.3086610936.

Adding to 818210160 its reverse (61012818), we get a palindrome (879222978).

The spelling of 818210160 in words is "eight hundred eighteen million, two hundred ten thousand, one hundred sixty".