816585350 has 48 divisors (see below), whose sum is σ = 1747435776. Its totient is φ = 278100000.

The previous prime is 816585337. The next prime is 816585359. The reversal of 816585350 is 53585618.

It is a junction number, because it is equal to n+sod(n) for n = 816585298 and 816585307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816585359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45125 + ... + 60575.

It is an arithmetic number, because the mean of its divisors is an integer number (36404912).

Almost surely, 2^816585350 is an apocalyptic number.

816585350 is an abundant number, since it is smaller than the sum of its proper divisors (930850426).

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

816585350 is a wasteful number, since it uses less digits than its factorization.

816585350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621 (or 15616 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 816585350 is about 28575.9575517602. The cubic root of 816585350 is about 934.6891356971.

The spelling of 816585350 in words is "eight hundred sixteen million, five hundred eighty-five thousand, three hundred fifty".