3975118165 has 8 divisors (see below), whose sum is σ = 4774419000. Its totient is φ = 3177243072.

The previous prime is 3975118163. The next prime is 3975118207. The reversal of 3975118165 is 5618115793.

It can be written as a sum of positive squares in 4 ways, for example, as 109014481 + 3866103684 = 10441^2 + 62178^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3975118165 - 2¹ = 3975118163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975118163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350290 + ... + 361459.

It is an arithmetic number, because the mean of its divisors is an integer number (596802375).

Almost surely, 2^3975118165 is an apocalyptic number.

It is an amenable number.

3975118165 is a deficient number, since it is larger than the sum of its proper divisors (799300835).

3975118165 is a wasteful number, since it uses less digits than its factorization.

3975118165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712871.

The product of its digits is 226800, while the sum is 46.

The square root of 3975118165 is about 63048.5381670345. The cubic root of 3975118165 is about 1584.1027492451.

The spelling of 3975118165 in words is "three billion, nine hundred seventy-five million, one hundred eighteen thousand, one hundred sixty-five".