65220516010 has 16 divisors (see below), whose sum is σ = 126427462056. Its totient is φ = 24081421248.

The previous prime is 65220515959. The next prime is 65220516047. The reversal of 65220516010 is 1061502256.

It can be written as a sum of positive squares in 4 ways, for example, as 59032963089 + 6187552921 = 242967^2 + 78661^2 .

It is a super-2 number, since 2×65220516010² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65220516010.

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 7 ways as a sum of consecutive naturals, for example, 250848009 + ... + 250848268.

Almost surely, 2^65220516010 is an apocalyptic number.

65220516010 is a deficient number, since it is larger than the sum of its proper divisors (61206946046).

65220516010 is a wasteful number, since it uses less digits than its factorization.

65220516010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501696297.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 65220516010 in words is "sixty-five billion, two hundred twenty million, five hundred sixteen thousand, ten".