3117666672 has 120 divisors (see below), whose sum is σ = 9202327680. Its totient is φ = 1021533120.

The previous prime is 3117666641. The next prime is 3117666677. The reversal of 3117666672 is 2766667113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117666677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222597 + ... + 236187.

It is an arithmetic number, because the mean of its divisors is an integer number (76686064).

Almost surely, 2^3117666672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3117666672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4601163840).

3117666672 is an abundant number, since it is smaller than the sum of its proper divisors (6084661008).

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

3117666672 is a wasteful number, since it uses less digits than its factorization.

3117666672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13673 (or 13655 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 3117666672 is about 55836.0696324517. The cubic root of 3117666672 is about 1460.8643583832.

The spelling of 3117666672 in words is "three billion, one hundred seventeen million, six hundred sixty-six thousand, six hundred seventy-two".