660556106122 has 8 divisors (see below), whose sum is σ = 1080909991872. Its totient is φ = 300252775500.

The previous prime is 660556106083. The next prime is 660556106143. The reversal of 660556106122 is 221601655066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×660556106122⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15012638754 + ... + 15012638797.

It is an arithmetic number, because the mean of its divisors is an integer number (135113748984).

Almost surely, 2^660556106122 is an apocalyptic number.

660556106122 is a deficient number, since it is larger than the sum of its proper divisors (420353885750).

660556106122 is a wasteful number, since it uses less digits than its factorization.

660556106122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30025277564.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 660556106122 in words is "six hundred sixty billion, five hundred fifty-six million, one hundred six thousand, one hundred twenty-two".