666306114912 has 384 divisors, whose sum is σ = 2072277043200. Its totient is φ = 207886694400.

The previous prime is 666306114907. The next prime is 666306114913. The reversal of 666306114912 is 219411603666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666306114913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 288318237 + ... + 288320547.

It is an arithmetic number, because the mean of its divisors is an integer number (5396554800).

Almost surely, 2^666306114912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 666306114912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036138521600).

666306114912 is an abundant number, since it is smaller than the sum of its proper divisors (1405970928288).

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

666306114912 is a wasteful number, since it uses less digits than its factorization.

666306114912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2693 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 666306114912 in words is "six hundred sixty-six billion, three hundred six million, one hundred fourteen thousand, nine hundred twelve".