666874341 has 12 divisors (see below), whose sum is σ = 1100872032. Its totient is φ = 381071016.

The previous prime is 666874309. The next prime is 666874367. The reversal of 666874341 is 143478666.

It is a happy number.

It is not a de Polignac number, because 666874341 - 2⁵ = 666874309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666824341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5292591 + ... + 5292716.

It is an arithmetic number, because the mean of its divisors is an integer number (91739336).

Almost surely, 2^666874341 is an apocalyptic number.

It is an amenable number.

666874341 is a deficient number, since it is larger than the sum of its proper divisors (433997691).

666874341 is a wasteful number, since it uses less digits than its factorization.

666874341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585320 (or 10585317 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 666874341 is about 25823.9102577437. The cubic root of 666874341 is about 873.6711654392.

The spelling of 666874341 in words is "six hundred sixty-six million, eight hundred seventy-four thousand, three hundred forty-one".