821215480182 has 16 divisors (see below), whose sum is σ = 1728874695360. Its totient is φ = 259331204232.

The previous prime is 821215480159. The next prime is 821215480193. The reversal of 821215480182 is 281084512128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3601822168 + ... + 3601822395.

It is an arithmetic number, because the mean of its divisors is an integer number (108054668460).

Almost surely, 2^821215480182 is an apocalyptic number.

821215480182 is an abundant number, since it is smaller than the sum of its proper divisors (907659215178).

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

821215480182 is a wasteful number, since it uses less digits than its factorization.

821215480182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7203644587.

The product of its (nonzero) digits is 81920, while the sum is 42.

The spelling of 821215480182 in words is "eight hundred twenty-one billion, two hundred fifteen million, four hundred eighty thousand, one hundred eighty-two".