3161173556 has 12 divisors (see below), whose sum is σ = 5594212260. Its totient is φ = 1562827200.

The previous prime is 3161173553. The next prime is 3161173559. The reversal of 3161173556 is 6553711613.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3161173553) and next prime (3161173559).

It can be written as a sum of positive squares in 2 ways, for example, as 787924900 + 2373248656 = 28070^2 + 48716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161173553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4439495 + ... + 4440206.

It is an arithmetic number, because the mean of its divisors is an integer number (466184355).

Almost surely, 2^3161173556 is an apocalyptic number.

It is an amenable number.

3161173556 is a deficient number, since it is larger than the sum of its proper divisors (2433038704).

3161173556 is a wasteful number, since it uses less digits than its factorization.

3161173556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8879794 (or 8879792 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 3161173556 is about 56224.3146334395. The cubic root of 3161173556 is about 1467.6284211510.

The spelling of 3161173556 in words is "three billion, one hundred sixty-one million, one hundred seventy-three thousand, five hundred fifty-six".