52165804612 has 6 divisors (see below), whose sum is σ = 91290158078. Its totient is φ = 26082902304.

The previous prime is 52165804591. The next prime is 52165804637. The reversal of 52165804612 is 21640856125.

It can be written as a sum of positive squares in only one way, i.e., 48808297476 + 3357507136 = 220926^2 + 57944^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6520725573 + ... + 6520725580.

Almost surely, 2^52165804612 is an apocalyptic number.

It is an amenable number.

52165804612 is a deficient number, since it is larger than the sum of its proper divisors (39124353466).

52165804612 is a wasteful number, since it uses less digits than its factorization.

52165804612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13041451157 (or 13041451155 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 52165804612 in words is "fifty-two billion, one hundred sixty-five million, eight hundred four thousand, six hundred twelve".