65016606506610 has 128 divisors (see below), whose sum is σ = 175759945113600. Its totient is φ = 15249385958400.

The previous prime is 65016606506567. The next prime is 65016606506639. The reversal of 65016606506610 is 1660560661056.

It is a self number, because there is not a number n which added to its sum of digits gives 65016606506610.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40636449 + ... + 42206091.

It is an arithmetic number, because the mean of its divisors is an integer number (1373124571200).

Almost surely, 2^{65016606506610} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65016606506610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87879972556800).

65016606506610 is an abundant number, since it is smaller than the sum of its proper divisors (110743338606990).

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

65016606506610 is a wasteful number, since it uses less digits than its factorization.

65016606506610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573744.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 65016606506610 in words is "sixty-five trillion, sixteen billion, six hundred six million, five hundred six thousand, six hundred ten".