675171656864 has 12 divisors (see below), whose sum is σ = 1329244199514. Its totient is φ = 337585828416.

The previous prime is 675171656849. The next prime is 675171656869. The reversal of 675171656864 is 468656171576.

675171656864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 603871976464 + 71299680400 = 777092^2 + 267020^2 .

It is a junction number, because it is equal to n+sod(n) for n = 675171656797 and 675171656806.

It is not an unprimeable number, because it can be changed into a prime (675171656869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10549557107 + ... + 10549557170.

Almost surely, 2^675171656864 is an apocalyptic number.

It is an amenable number.

675171656864 is a deficient number, since it is larger than the sum of its proper divisors (654072542650).

675171656864 is a wasteful number, since it uses less digits than its factorization.

675171656864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21099114287 (or 21099114279 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 62.

The spelling of 675171656864 in words is "six hundred seventy-five billion, one hundred seventy-one million, six hundred fifty-six thousand, eight hundred sixty-four".