816532614 has 48 divisors (see below), whose sum is σ = 1865197152. Its totient is φ = 257647104.

The previous prime is 816532601. The next prime is 816532643. The reversal of 816532614 is 416235618.

It is a happy number.

816532614 is a `hidden beast` number, since 8 + 1 + 6 + 5 + 32 + 614 = 666.

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 23 ways as a sum of consecutive naturals, for example, 29992 + ... + 50324.

It is an arithmetic number, because the mean of its divisors is an integer number (38858274).

Almost surely, 2^816532614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 816532614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932598576).

816532614 is an abundant number, since it is smaller than the sum of its proper divisors (1048664538).

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

816532614 is a wasteful number, since it uses less digits than its factorization.

816532614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20461 (or 20458 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 816532614 is about 28575.0348031284. The cubic root of 816532614 is about 934.6690141722.

The spelling of 816532614 in words is "eight hundred sixteen million, five hundred thirty-two thousand, six hundred fourteen".