25667522576652 has 96 divisors (see below), whose sum is σ = 67489207881984. Its totient is φ = 7524075052800.

The previous prime is 25667522576573. The next prime is 25667522576659.

25667522576652 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (25667522576659) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 14344174 + ... + 16034037.

It is an arithmetic number, because the mean of its divisors is an integer number (703012582104).

Almost surely, 2^{25667522576652} is an apocalyptic number.

25667522576652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25667522576652 is an abundant number, since it is smaller than the sum of its proper divisors (41821685305332).

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

25667522576652 is a wasteful number, since it uses less digits than its factorization.

25667522576652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30378439 (or 30378437 counting only the distinct ones).

The product of its digits is 635040000, while the sum is 66.

The spelling of 25667522576652 in words is "twenty-five trillion, six hundred sixty-seven billion, five hundred twenty-two million, five hundred seventy-six thousand, six hundred fifty-two".