65115110666 has 8 divisors (see below), whose sum is σ = 98639722404. Its totient is φ = 32235203200.

The previous prime is 65115110663. The next prime is 65115110677. The reversal of 65115110666 is 66601151156.

65115110666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62865031441 + 2250079225 = 250729^2 + 47435^2 .

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

It is not an unprimeable number, because it can be changed into a prime (65115110663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161175815 + ... + 161176218.

Almost surely, 2^65115110666 is an apocalyptic number.

65115110666 is a deficient number, since it is larger than the sum of its proper divisors (33524611738).

65115110666 is a wasteful number, since it uses less digits than its factorization.

65115110666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322352136.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 65115110666 in words is "sixty-five billion, one hundred fifteen million, one hundred ten thousand, six hundred sixty-six".