816165846 has 24 divisors (see below), whose sum is σ = 1770688920. Its totient is φ = 271696896.

The previous prime is 816165839. The next prime is 816165851. The reversal of 816165846 is 648561618.

816165846 is a `hidden beast` number, since 8 + 1 + 61 + 6 + 584 + 6 = 666.

It is a super-2 number, since 2×816165846² = 1332253376353791432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15640 + ... + 43323.

It is an arithmetic number, because the mean of its divisors is an integer number (73778705).

Almost surely, 2^816165846 is an apocalyptic number.

816165846 is an abundant number, since it is smaller than the sum of its proper divisors (954523074).

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

816165846 is a wasteful number, since it uses less digits than its factorization.

816165846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59740 (or 59737 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 816165846 is about 28568.6164523240. The cubic root of 816165846 is about 934.5290491465.

The spelling of 816165846 in words is "eight hundred sixteen million, one hundred sixty-five thousand, eight hundred forty-six".