656142353642325 has 24 divisors (see below), whose sum is σ = 1183442208752736. Its totient is φ = 318129626008000.

The previous prime is 656142353642323. The next prime is 656142353642351. The reversal of 656142353642325 is 523246353241656.

It is not a de Polignac number, because 656142353642325 - 2¹ = 656142353642323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656142353642323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397662031686 + ... + 397662033335.

It is an arithmetic number, because the mean of its divisors is an integer number (49310092031364).

Almost surely, 2^{656142353642325} is an apocalyptic number.

It is an amenable number.

656142353642325 is a deficient number, since it is larger than the sum of its proper divisors (527299855110411).

656142353642325 is a wasteful number, since it uses less digits than its factorization.

656142353642325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795324065045 (or 795324065040 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 57.

The spelling of 656142353642325 in words is "six hundred fifty-six trillion, one hundred forty-two billion, three hundred fifty-three million, six hundred forty-two thousand, three hundred twenty-five".