816582112 has 24 divisors (see below), whose sum is σ = 1634004792. Its totient is φ = 401596800.

The previous prime is 816582103. The next prime is 816582167. The reversal of 816582112 is 211285618.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207214 + ... + 211117.

It is an arithmetic number, because the mean of its divisors is an integer number (68083533).

Almost surely, 2^816582112 is an apocalyptic number.

It is an amenable number.

816582112 is an abundant number, since it is smaller than the sum of its proper divisors (817422680).

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

816582112 is a wasteful number, since it uses less digits than its factorization.

816582112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418402 (or 418394 counting only the distinct ones).

The product of its digits is 7680, while the sum is 34.

The square root of 816582112 is about 28575.9008956848. The cubic root of 816582112 is about 934.6879002567.

The spelling of 816582112 in words is "eight hundred sixteen million, five hundred eighty-two thousand, one hundred twelve".