666741333468 has 48 divisors (see below), whose sum is σ = 1778033137664. Its totient is φ = 190491497280.

The previous prime is 666741333449. The next prime is 666741333491. The reversal of 666741333468 is 864333147666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3008298 + ... + 3222318.

Almost surely, 2^666741333468 is an apocalyptic number.

It is an amenable number.

666741333468 is an abundant number, since it is smaller than the sum of its proper divisors (1111291804196).

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

666741333468 is a wasteful number, since it uses less digits than its factorization.

666741333468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251122 (or 251120 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 57.

The spelling of 666741333468 in words is "six hundred sixty-six billion, seven hundred forty-one million, three hundred thirty-three thousand, four hundred sixty-eight".