25683071462661 has 8 divisors (see below), whose sum is σ = 34505500591584. Its totient is φ = 16991344987760.

The previous prime is 25683071462647. The next prime is 25683071462687. The reversal of 25683071462661 is 16626417038652.

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 25683071462661 - 2⁶ = 25683071462597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25683071462621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32675663046 + ... + 32675663831.

It is an arithmetic number, because the mean of its divisors is an integer number (4313187573948).

Almost surely, 2^{25683071462661} is an apocalyptic number.

It is an amenable number.

25683071462661 is a deficient number, since it is larger than the sum of its proper divisors (8822429128923).

25683071462661 is a wasteful number, since it uses less digits than its factorization.

25683071462661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65351327011.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 25683071462661 in words is "twenty-five trillion, six hundred eighty-three billion, seventy-one million, four hundred sixty-two thousand, six hundred sixty-one".