666057119 has 8 divisors (see below), whose sum is σ = 819762720. Its totient is φ = 526990176.

The previous prime is 666057101. The next prime is 666057121. The reversal of 666057119 is 911750666.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-666057119 is a prime.

It is a super-2 number, since 2×666057119² = 887264171541160322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666057169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659564 + ... + 3659745.

It is an arithmetic number, because the mean of its divisors is an integer number (102470340).

Almost surely, 2^666057119 is an apocalyptic number.

666057119 is a deficient number, since it is larger than the sum of its proper divisors (153705601).

666057119 is a wasteful number, since it uses less digits than its factorization.

666057119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7319329.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 666057119 is about 25808.0824355472. The cubic root of 666057119 is about 873.3141390837.

The spelling of 666057119 in words is "six hundred sixty-six million, fifty-seven thousand, one hundred nineteen".