660062224009 has 4 divisors (see below), whose sum is σ = 660102407316. Its totient is φ = 660022040704.

The previous prime is 660062223967. The next prime is 660062224013. The reversal of 660062224009 is 900422260066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 307612218384 + 352450005625 = 554628^2 + 593675^2 .

It is a cyclic number.

It is not a de Polignac number, because 660062224009 - 2¹⁵ = 660062191241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660062224309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20067004 + ... + 20099869.

It is an arithmetic number, because the mean of its divisors is an integer number (165025601829).

Almost surely, 2^660062224009 is an apocalyptic number.

It is an amenable number.

660062224009 is a deficient number, since it is larger than the sum of its proper divisors (40183307).

660062224009 is a wasteful number, since it uses less digits than its factorization.

660062224009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40183306.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 660062224009 in words is "six hundred sixty billion, sixty-two million, two hundred twenty-four thousand, nine".