25883361648 has 160 divisors (see below), whose sum is σ = 80902560000. Its totient is φ = 7891769088.

The previous prime is 25883361643. The next prime is 25883361659. The reversal of 25883361648 is 84616338852.

25883361648 is a `hidden beast` number, since 2 + 588 + 3 + 3 + 6 + 16 + 48 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 25883361594 and 25883361603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25883361643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183663 + ... + 292401.

It is an arithmetic number, because the mean of its divisors is an integer number (505641000).

Almost surely, 2^25883361648 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 25883361648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40451280000).

25883361648 is an abundant number, since it is smaller than the sum of its proper divisors (55019198352).

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

25883361648 is a wasteful number, since it uses less digits than its factorization.

25883361648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108804 (or 108792 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 25883361648 in words is "twenty-five billion, eight hundred eighty-three million, three hundred sixty-one thousand, six hundred forty-eight".