2671845217848 has 96 divisors (see below), whose sum is σ = 7308656082000. Its totient is φ = 881705088000.

The previous prime is 2671845217831. The next prime is 2671845217889. The reversal of 2671845217848 is 8487125481762.

2671845217848 is a `hidden beast` number, since 2 + 6 + 7 + 1 + 8 + 452 + 178 + 4 + 8 = 666.

It is a super-2 number, since 2×2671845217848² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137423808 + ... + 137443248.

Almost surely, 2^{2671845217848} 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 2671845217848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3654328041000).

2671845217848 is an abundant number, since it is smaller than the sum of its proper divisors (4636810864152).

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

2671845217848 is a wasteful number, since it uses less digits than its factorization.

2671845217848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38453 (or 38446 counting only the distinct ones).

The product of its digits is 48168960, while the sum is 63.

The spelling of 2671845217848 in words is "two trillion, six hundred seventy-one billion, eight hundred forty-five million, two hundred seventeen thousand, eight hundred forty-eight".