816630036 has 24 divisors (see below), whose sum is σ = 1933911840. Its totient is φ = 268146912.

The previous prime is 816629981. The next prime is 816630043. The reversal of 816630036 is 630036618.

It is a super-2 number, since 2×816630036² = 1333769231394722592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 816629979 and 816630006.

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, 507051 + ... + 508658.

It is an arithmetic number, because the mean of its divisors is an integer number (80579660).

Almost surely, 2^816630036 is an apocalyptic number.

It is an amenable number.

816630036 is an abundant number, since it is smaller than the sum of its proper divisors (1117281804).

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

816630036 is a wasteful number, since it uses less digits than its factorization.

816630036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015783 (or 1015781 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 816630036 is about 28576.7394221244. The cubic root of 816630036 is about 934.7061850506.

The spelling of 816630036 in words is "eight hundred sixteen million, six hundred thirty thousand, thirty-six".