65016606506605 has 64 divisors (see below), whose sum is σ = 87589807393536. Its totient is φ = 46016439552000.

The previous prime is 65016606506567. The next prime is 65016606506639. The reversal of 65016606506605 is 50660560661056.

It is not a de Polignac number, because 65016606506605 - 2¹⁵ = 65016606473837 is a prime.

It is a congruent number.

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, 131593642 + ... + 132086788.

It is an arithmetic number, because the mean of its divisors is an integer number (1368590740524).

Almost surely, 2^{65016606506605} is an apocalyptic number.

65016606506605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65016606506605 is a deficient number, since it is larger than the sum of its proper divisors (22573200886931).

65016606506605 is a wasteful number, since it uses less digits than its factorization.

65016606506605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494078.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 65016606506605 in words is "sixty-five trillion, sixteen billion, six hundred six million, five hundred six thousand, six hundred five".