666326223114108 has 48 divisors (see below), whose sum is σ = 1636592953672320. Its totient is φ = 210418520554944.

The previous prime is 666326223114029. The next prime is 666326223114121. The reversal of 666326223114108 is 801411322623666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219687310 + ... + 222699722.

It is an arithmetic number, because the mean of its divisors is an integer number (34095686534840).

Almost surely, 2^{666326223114108} is an apocalyptic number.

It is an amenable number.

666326223114108 is an abundant number, since it is smaller than the sum of its proper divisors (970266730558212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666326223114108 is a wasteful number, since it uses less digits than its factorization.

666326223114108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982586 (or 3982584 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 666326223114108 in words is "six hundred sixty-six trillion, three hundred twenty-six billion, two hundred twenty-three million, one hundred fourteen thousand, one hundred eight".