25632666623652 has 384 divisors, whose sum is σ = 68826716582400. Its totient is φ = 7353679872000.

The previous prime is 25632666623651. The next prime is 25632666623657.

25632666623652 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25632666623651) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20072565238 + ... + 20072566514.

It is an arithmetic number, because the mean of its divisors is an integer number (179236241100).

Almost surely, 2^{25632666623652} is an apocalyptic number.

25632666623652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25632666623652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34413358291200).

25632666623652 is an abundant number, since it is smaller than the sum of its proper divisors (43194049958748).

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

25632666623652 is a wasteful number, since it uses less digits than its factorization.

25632666623652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1885 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 60.

The spelling of 25632666623652 in words is "twenty-five trillion, six hundred thirty-two billion, six hundred sixty-six million, six hundred twenty-three thousand, six hundred fifty-two".