65650672655 has 8 divisors (see below), whose sum is σ = 78908082000. Its totient is φ = 52435688256.

The previous prime is 65650672639. The next prime is 65650672727. The reversal of 65650672655 is 55627605656.

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 65650672655 - 2⁴ = 65650672639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65650672597 and 65650672606.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10602830 + ... + 10609019.

It is an arithmetic number, because the mean of its divisors is an integer number (9863510250).

Almost surely, 2^65650672655 is an apocalyptic number.

65650672655 is a deficient number, since it is larger than the sum of its proper divisors (13257409345).

65650672655 is a wasteful number, since it uses less digits than its factorization.

65650672655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212473.

The product of its (nonzero) digits is 11340000, while the sum is 53.

The spelling of 65650672655 in words is "sixty-five billion, six hundred fifty million, six hundred seventy-two thousand, six hundred fifty-five".