666115341 has 4 divisors (see below), whose sum is σ = 888153792. Its totient is φ = 444076892.

The previous prime is 666115313. The next prime is 666115343. The reversal of 666115341 is 143511666.

666115341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 666115341 - 2⁵ = 666115309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666115343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111019221 + ... + 111019226.

It is an arithmetic number, because the mean of its divisors is an integer number (222038448).

Almost surely, 2^666115341 is an apocalyptic number.

It is an amenable number.

666115341 is a deficient number, since it is larger than the sum of its proper divisors (222038451).

666115341 is a wasteful number, since it uses less digits than its factorization.

666115341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222038450.

The product of its digits is 12960, while the sum is 33.

The square root of 666115341 is about 25809.2103908663. The cubic root of 666115341 is about 873.3395846564.

The spelling of 666115341 in words is "six hundred sixty-six million, one hundred fifteen thousand, three hundred forty-one".