3161475666 has 48 divisors (see below), whose sum is σ = 7092603648. Its totient is φ = 1016690400.

The previous prime is 3161475637. The next prime is 3161475719. The reversal of 3161475666 is 6665741613.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176140 + ... + 193256.

It is an arithmetic number, because the mean of its divisors is an integer number (147762576).

Almost surely, 2^3161475666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3161475666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3546301824).

3161475666 is an abundant number, since it is smaller than the sum of its proper divisors (3931127982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161475666 is a wasteful number, since it uses less digits than its factorization.

3161475666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17487 (or 17484 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 3161475666 is about 56227.0012182759. The cubic root of 3161475666 is about 1467.6751728916.

The spelling of 3161475666 in words is "three billion, one hundred sixty-one million, four hundred seventy-five thousand, six hundred sixty-six".