816867032 has 16 divisors (see below), whose sum is σ = 1533852600. Its totient is φ = 407839680.

The previous prime is 816867013. The next prime is 816867049. The reversal of 816867032 is 230768618.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68357 + ... + 79412.

Almost surely, 2^816867032 is an apocalyptic number.

It is an amenable number.

816867032 is a deficient number, since it is larger than the sum of its proper divisors (716985568).

816867032 is a wasteful number, since it uses less digits than its factorization.

816867032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148466 (or 148462 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 816867032 is about 28580.8857805352. The cubic root of 816867032 is about 934.7965973512.

The spelling of 816867032 in words is "eight hundred sixteen million, eight hundred sixty-seven thousand, thirty-two".