8061664916 has 6 divisors (see below), whose sum is σ = 14107913610. Its totient is φ = 4030832456.

The previous prime is 8061664913. The next prime is 8061664927. The reversal of 8061664916 is 6194661608.

It can be written as a sum of positive squares in only one way, i.e., 4092160900 + 3969504016 = 63970^2 + 63004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8061664913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007708111 + ... + 1007708118.

It is an arithmetic number, because the mean of its divisors is an integer number (2351318935).

Almost surely, 2^8061664916 is an apocalyptic number.

It is an amenable number.

8061664916 is a deficient number, since it is larger than the sum of its proper divisors (6046248694).

8061664916 is a wasteful number, since it uses less digits than its factorization.

8061664916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015416233 (or 2015416231 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 8061664916 is about 89786.7747276847. The cubic root of 8061664916 is about 2005.1255959118.

The spelling of 8061664916 in words is "eight billion, sixty-one million, six hundred sixty-four thousand, nine hundred sixteen".