103665725647 has 8 divisors (see below), whose sum is σ = 115719880320. Its totient is φ = 92049903960.

The previous prime is 103665725633. The next prime is 103665725651. The reversal of 103665725647 is 746527566301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103665725647 - 2¹¹ = 103665723599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103665725594 and 103665725603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103665725617) 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 7 ways as a sum of consecutive naturals, for example, 109582747 + ... + 109583692.

It is an arithmetic number, because the mean of its divisors is an integer number (14464985040).

Almost surely, 2^103665725647 is an apocalyptic number.

103665725647 is a deficient number, since it is larger than the sum of its proper divisors (12054154673).

103665725647 is a wasteful number, since it uses less digits than its factorization.

103665725647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219166493.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 103665725647 in words is "one hundred three billion, six hundred sixty-five million, seven hundred twenty-five thousand, six hundred forty-seven".