712161636 has 96 divisors (see below), whose sum is σ = 1792336896. Its totient is φ = 219648000.

The previous prime is 712161631. The next prime is 712161707. The reversal of 712161636 is 636161217.

712161636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 712161597 and 712161606.

It is not an unprimeable number, because it can be changed into a prime (712161631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 807916 + ... + 808796.

It is an arithmetic number, because the mean of its divisors is an integer number (18670176).

Almost surely, 2^712161636 is an apocalyptic number.

It is an amenable number.

712161636 is an abundant number, since it is smaller than the sum of its proper divisors (1080175260).

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

712161636 is a wasteful number, since it uses less digits than its factorization.

712161636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 712161636 is about 26686.3567389781. The cubic root of 712161636 is about 893.0165854966.

The spelling of 712161636 in words is "seven hundred twelve million, one hundred sixty-one thousand, six hundred thirty-six".