3171871648 has 48 divisors (see below), whose sum is σ = 6818315616. Its totient is φ = 1440490240.

The previous prime is 3171871627. The next prime is 3171871663. The reversal of 3171871648 is 8461781713.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3171871598 and 3171871607.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 480015 + ... + 486577.

It is an arithmetic number, because the mean of its divisors is an integer number (142048242).

Almost surely, 2^3171871648 is an apocalyptic number.

It is an amenable number.

3171871648 is an abundant number, since it is smaller than the sum of its proper divisors (3646443968).

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

3171871648 is a wasteful number, since it uses less digits than its factorization.

3171871648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957 (or 7949 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The square root of 3171871648 is about 56319.3718714973. The cubic root of 3171871648 is about 1469.2821472290.

The spelling of 3171871648 in words is "three billion, one hundred seventy-one million, eight hundred seventy-one thousand, six hundred forty-eight".