7064161636 has 18 divisors (see below), whose sum is σ = 14380615158. Its totient is φ = 3027497760.

The previous prime is 7064161571. The next prime is 7064161679. The reversal of 7064161636 is 6361614607.

It can be written as a sum of positive squares in only one way, i.e., 4553550400 + 2510611236 = 67480^2 + 50106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18020625 + ... + 18021016.

Almost surely, 2^7064161636 is an apocalyptic number.

It is an amenable number.

7064161636 is an abundant number, since it is smaller than the sum of its proper divisors (7316453522).

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

7064161636 is a wasteful number, since it uses less digits than its factorization.

7064161636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36041659 (or 36041650 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 7064161636 is about 84048.5671263942. The cubic root of 7064161636 is about 1918.7580252739.

The spelling of 7064161636 in words is "seven billion, sixty-four million, one hundred sixty-one thousand, six hundred thirty-six".