65220616006 has 16 divisors (see below), whose sum is σ = 120407291424. Its totient is φ = 25801562304.

The previous prime is 65220615997. The next prime is 65220616051. The reversal of 65220616006 is 60061602256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179177335 + ... + 179177698.

It is an arithmetic number, because the mean of its divisors is an integer number (7525455714).

Almost surely, 2^65220616006 is an apocalyptic number.

65220616006 is a deficient number, since it is larger than the sum of its proper divisors (55186675418).

65220616006 is a wasteful number, since it uses less digits than its factorization.

65220616006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358355055.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 65220616006 in words is "sixty-five billion, two hundred twenty million, six hundred sixteen thousand, six".