666134119 has 16 divisors (see below), whose sum is σ = 798819840. Its totient is φ = 543106080.

The previous prime is 666134111. The next prime is 666134153. The reversal of 666134119 is 911431666.

It is a cyclic number.

It is not a de Polignac number, because 666134119 - 2³ = 666134111 is a prime.

It is a super-2 number, since 2×666134119² = 887469328991812322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666134111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17712 + ... + 40570.

It is an arithmetic number, because the mean of its divisors is an integer number (49926240).

Almost surely, 2^666134119 is an apocalyptic number.

666134119 is a deficient number, since it is larger than the sum of its proper divisors (132685721).

666134119 is a wasteful number, since it uses less digits than its factorization.

666134119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23070.

The product of its digits is 23328, while the sum is 37.

The square root of 666134119 is about 25809.5741731630. The cubic root of 666134119 is about 873.3477911513.

The spelling of 666134119 in words is "six hundred sixty-six million, one hundred thirty-four thousand, one hundred nineteen".