25061220668 has 48 divisors (see below), whose sum is σ = 49027144320. Its totient is φ = 11112753600.

The previous prime is 25061220643. The next prime is 25061220707. The reversal of 25061220668 is 86602216052.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 303230 + ... + 376922.

It is an arithmetic number, because the mean of its divisors is an integer number (1021398840).

Almost surely, 2^25061220668 is an apocalyptic number.

It is an amenable number.

25061220668 is a deficient number, since it is larger than the sum of its proper divisors (23965923652).

25061220668 is a wasteful number, since it uses less digits than its factorization.

25061220668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73898 (or 73896 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 25061220668 in words is "twenty-five billion, sixty-one million, two hundred twenty thousand, six hundred sixty-eight".