660010050065 has 16 divisors (see below), whose sum is σ = 796466151936. Its totient is φ = 525039220800.

The previous prime is 660010050041. The next prime is 660010050097. The reversal of 660010050065 is 560050010066.

It is not a de Polignac number, because 660010050065 - 2¹⁴ = 660010033681 is a prime.

It is a super-2 number, since 2×660010050065² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11068280 + ... + 11127750.

It is an arithmetic number, because the mean of its divisors is an integer number (49779134496).

Almost surely, 2^660010050065 is an apocalyptic number.

It is an amenable number.

660010050065 is a deficient number, since it is larger than the sum of its proper divisors (136456101871).

660010050065 is a wasteful number, since it uses less digits than its factorization.

660010050065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71920.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 660010050065 in words is "six hundred sixty billion, ten million, fifty thousand, sixty-five".