65660110652 has 24 divisors (see below), whose sum is σ = 115242825600. Its totient is φ = 32733676976.

The previous prime is 65660110627. The next prime is 65660110669. The reversal of 65660110652 is 25601106656.

It is a super-2 number, since 2×65660110652² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347249 + ... + 3366807.

It is an arithmetic number, because the mean of its divisors is an integer number (4801784400).

Almost surely, 2^65660110652 is an apocalyptic number.

It is an amenable number.

65660110652 is a deficient number, since it is larger than the sum of its proper divisors (49582714948).

65660110652 is a wasteful number, since it uses less digits than its factorization.

65660110652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21985 (or 21983 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 65660110652 in words is "sixty-five billion, six hundred sixty million, one hundred ten thousand, six hundred fifty-two".