816552924 has 24 divisors (see below), whose sum is σ = 2078498688. Its totient is φ = 247440240.

The previous prime is 816552853. The next prime is 816552953. The reversal of 816552924 is 429255618.

It is a super-3 number, since 3×816552924³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092872 + ... + 3093135.

It is an arithmetic number, because the mean of its divisors is an integer number (86604112).

Almost surely, 2^816552924 is an apocalyptic number.

It is an amenable number.

816552924 is an abundant number, since it is smaller than the sum of its proper divisors (1261945764).

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

816552924 is a wasteful number, since it uses less digits than its factorization.

816552924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186025 (or 6186023 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 816552924 is about 28575.3901810631. The cubic root of 816552924 is about 934.6767635953.

The spelling of 816552924 in words is "eight hundred sixteen million, five hundred fifty-two thousand, nine hundred twenty-four".