825681016 has 8 divisors (see below), whose sum is σ = 1548151920. Its totient is φ = 412840504.

The previous prime is 825680983. The next prime is 825681029. The reversal of 825681016 is 610186528.

825681016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605056 + ... + 51605071.

It is an arithmetic number, because the mean of its divisors is an integer number (193518990).

Almost surely, 2^825681016 is an apocalyptic number.

It is an amenable number.

825681016 is a deficient number, since it is larger than the sum of its proper divisors (722470904).

825681016 is a wasteful number, since it uses less digits than its factorization.

825681016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103210133 (or 103210129 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 825681016 is about 28734.6657541027. The cubic root of 825681016 is about 938.1467242742.

The spelling of 825681016 in words is "eight hundred twenty-five million, six hundred eighty-one thousand, sixteen".