659672216122 has 8 divisors (see below), whose sum is σ = 991407573972. Its totient is φ = 329203024800.

The previous prime is 659672216089. The next prime is 659672216129. The reversal of 659672216122 is 221612276956.

659672216122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 648493594681 + 11178621441 = 805291^2 + 105729^2 .

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

It is not an unprimeable number, because it can be changed into a prime (659672216129) 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, 316540329 + ... + 316542412.

Almost surely, 2^659672216122 is an apocalyptic number.

659672216122 is a deficient number, since it is larger than the sum of its proper divisors (331735357850).

659672216122 is a wasteful number, since it uses less digits than its factorization.

659672216122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633083264.

The product of its digits is 1088640, while the sum is 49.

The spelling of 659672216122 in words is "six hundred fifty-nine billion, six hundred seventy-two million, two hundred sixteen thousand, one hundred twenty-two".