48171666816 has 1024 divisors, whose sum is σ = 185854771200. Its totient is φ = 12093235200.

The previous prime is 48171666799. The next prime is 48171666841. The reversal of 48171666816 is 61866617184.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 789699426 + ... + 789699486.

It is an arithmetic number, because the mean of its divisors is an integer number (181498800).

Almost surely, 2^48171666816 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 48171666816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92927385600).

48171666816 is an abundant number, since it is smaller than the sum of its proper divisors (137683104384).

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

48171666816 is an equidigital number, since it uses as much as digits as its factorization.

48171666816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 117 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 48171666816 in words is "forty-eight billion, one hundred seventy-one million, six hundred sixty-six thousand, eight hundred sixteen".