3169120872 has 64 divisors (see below), whose sum is σ = 8279470080. Its totient is φ = 1008953792.

The previous prime is 3169120859. The next prime is 3169120879. The reversal of 3169120872 is 2780219613.

It is a self number, because there is not a number n which added to its sum of digits gives 3169120872.

It is not an unprimeable number, because it can be changed into a prime (3169120879) 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 15 ways as a sum of consecutive naturals, for example, 406273 + ... + 413999.

It is an arithmetic number, because the mean of its divisors is an integer number (129366720).

Almost surely, 2^3169120872 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 3169120872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4139735040).

3169120872 is an abundant number, since it is smaller than the sum of its proper divisors (5110349208).

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

3169120872 is a wasteful number, since it uses less digits than its factorization.

3169120872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502 (or 8498 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 3169120872 is about 56294.9453503598. The cubic root of 3169120872 is about 1468.8572839889.

The spelling of 3169120872 in words is "three billion, one hundred sixty-nine million, one hundred twenty thousand, eight hundred seventy-two".