3161566722671 has 8 divisors (see below), whose sum is σ = 3623631849600. Its totient is φ = 2702104780248.

The previous prime is 3161566722631. The next prime is 3161566722733. The reversal of 3161566722671 is 1762276651613.

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 3161566722671 - 2¹⁸ = 3161566460527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161566722631) 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, 650793521 + ... + 650798378.

It is an arithmetic number, because the mean of its divisors is an integer number (452953981200).

Almost surely, 2^{3161566722671} is an apocalyptic number.

3161566722671 is a deficient number, since it is larger than the sum of its proper divisors (462065126929).

3161566722671 is a wasteful number, since it uses less digits than its factorization.

3161566722671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301592253.

The product of its digits is 3810240, while the sum is 53.

The spelling of 3161566722671 in words is "three trillion, one hundred sixty-one billion, five hundred sixty-six million, seven hundred twenty-two thousand, six hundred seventy-one".