666343611411 has 8 divisors (see below), whose sum is σ = 889936450704. Its totient is φ = 443489923200.

The previous prime is 666343611403. The next prime is 666343611413. The reversal of 666343611411 is 114116343666.

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

It is not a de Polignac number, because 666343611411 - 2³ = 666343611403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (666343611413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184785666 + ... + 184789271.

It is an arithmetic number, because the mean of its divisors is an integer number (111242056338).

Almost surely, 2^666343611411 is an apocalyptic number.

666343611411 is a deficient number, since it is larger than the sum of its proper divisors (223592839293).

666343611411 is a wasteful number, since it uses less digits than its factorization.

666343611411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369575541.

The product of its digits is 186624, while the sum is 42.

The spelling of 666343611411 in words is "six hundred sixty-six billion, three hundred forty-three million, six hundred eleven thousand, four hundred eleven".