816532612 has 24 divisors (see below), whose sum is σ = 1635408320. Its totient is φ = 349440480.

The previous prime is 816532601. The next prime is 816532643. The reversal of 816532612 is 216235618.

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, 714 + ... + 40417.

Almost surely, 2^816532612 is an apocalyptic number.

It is an amenable number.

816532612 is an abundant number, since it is smaller than the sum of its proper divisors (818875708).

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

816532612 is a wasteful number, since it uses less digits than its factorization.

816532612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41851 (or 41849 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 816532612 is about 28575.0347681328. The cubic root of 816532612 is about 934.6690134090.

The spelling of 816532612 in words is "eight hundred sixteen million, five hundred thirty-two thousand, six hundred twelve".