675069180364161 has 72 divisors (see below), whose sum is σ = 1074558382246440. Its totient is φ = 408081549173760.

The previous prime is 675069180364133. The next prime is 675069180364219. The reversal of 675069180364161 is 161463081960576.

It is a happy number.

675069180364161 is a `hidden beast` number, since 6 + 7 + 5 + 0 + 6 + 9 + 180 + 36 + 416 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 23147347146561 + 651921833217600 = 4811169^2 + 25532760^2 .

It is not a de Polignac number, because 675069180364161 - 2¹¹ = 675069180362113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675069180364561) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15725226745 + ... + 15725269673.

It is an arithmetic number, because the mean of its divisors is an integer number (14924421975645).

Almost surely, 2^{675069180364161} is an apocalyptic number.

It is an amenable number.

675069180364161 is a deficient number, since it is larger than the sum of its proper divisors (399489201882279).

675069180364161 is a wasteful number, since it uses less digits than its factorization.

675069180364161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79727 (or 79713 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 675069180364161 in words is "six hundred seventy-five trillion, sixty-nine billion, one hundred eighty million, three hundred sixty-four thousand, one hundred sixty-one".