65018168025 has 12 divisors (see below), whose sum is σ = 107496704592. Its totient is φ = 34676356240.

The previous prime is 65018168021. The next prime is 65018168041. The reversal of 65018168025 is 52086181056.

It is not a de Polignac number, because 65018168025 - 2² = 65018168021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65018168021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433454379 + ... + 433454528.

It is an arithmetic number, because the mean of its divisors is an integer number (8958058716).

Almost surely, 2^65018168025 is an apocalyptic number.

It is an amenable number.

65018168025 is a deficient number, since it is larger than the sum of its proper divisors (42478536567).

65018168025 is a wasteful number, since it uses less digits than its factorization.

65018168025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866908920 (or 866908915 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 65018168025 in words is "sixty-five billion, eighteen million, one hundred sixty-eight thousand, twenty-five".