65006565610 has 64 divisors (see below), whose sum is σ = 140882400000. Its totient is φ = 21097469952.

The previous prime is 65006565529. The next prime is 65006565643. The reversal of 65006565610 is 1656560056.

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 31 ways as a sum of consecutive naturals, for example, 1641604 + ... + 1680736.

It is an arithmetic number, because the mean of its divisors is an integer number (2201287500).

Almost surely, 2^65006565610 is an apocalyptic number.

65006565610 is an abundant number, since it is smaller than the sum of its proper divisors (75875834390).

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

65006565610 is a wasteful number, since it uses less digits than its factorization.

65006565610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40415.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 65006565610 in words is "sixty-five billion, six million, five hundred sixty-five thousand, six hundred ten".