816237632 has 28 divisors (see below), whose sum is σ = 1851111360. Its totient is φ = 349815936.

The previous prime is 816237629. The next prime is 816237641. The reversal of 816237632 is 236732618.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910532 + ... + 911427.

It is an arithmetic number, because the mean of its divisors is an integer number (66111120).

Almost surely, 2^816237632 is an apocalyptic number.

It is an amenable number.

816237632 is an abundant number, since it is smaller than the sum of its proper divisors (1034873728).

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

816237632 is a wasteful number, since it uses less digits than its factorization.

816237632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821978 (or 1821968 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 816237632 is about 28569.8728033570. The cubic root of 816237632 is about 934.5564472282.

The spelling of 816237632 in words is "eight hundred sixteen million, two hundred thirty-seven thousand, six hundred thirty-two".