65510565652 has 48 divisors (see below), whose sum is σ = 138001776640. Its totient is φ = 26581921632.

The previous prime is 65510565613. The next prime is 65510565733. The reversal of 65510565652 is 25656501556.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 847693 + ... + 921739.

Almost surely, 2^65510565652 is an apocalyptic number.

It is an amenable number.

65510565652 is an abundant number, since it is smaller than the sum of its proper divisors (72491210988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65510565652 is a wasteful number, since it uses less digits than its factorization.

65510565652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75740 (or 75738 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 65510565652 in words is "sixty-five billion, five hundred ten million, five hundred sixty-five thousand, six hundred fifty-two".