48891826566 has 192 divisors, whose sum is σ = 130010287680. Its totient is φ = 13098516480.

The previous prime is 48891826561. The next prime is 48891826567. The reversal of 48891826566 is 66562819884.

48891826566 is a `hidden beast` number, since 48 + 8 + 9 + 1 + 8 + 26 + 566 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48891826561) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3604950 + ... + 3618486.

It is an arithmetic number, because the mean of its divisors is an integer number (677136915).

Almost surely, 2^48891826566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48891826566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65005143840).

48891826566 is an abundant number, since it is smaller than the sum of its proper divisors (81118461114).

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

48891826566 is a wasteful number, since it uses less digits than its factorization.

48891826566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13639 (or 13636 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The spelling of 48891826566 in words is "forty-eight billion, eight hundred ninety-one million, eight hundred twenty-six thousand, five hundred sixty-six".