666790119 has 6 divisors (see below), whose sum is σ = 963141296. Its totient is φ = 444526740.

The previous prime is 666790087. The next prime is 666790139. The reversal of 666790119 is 911097666.

It is not a de Polignac number, because 666790119 - 2⁵ = 666790087 is a prime.

It is a super-2 number, since 2×666790119² = 889218125592068322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666790139) 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 5 ways as a sum of consecutive naturals, for example, 37043887 + ... + 37043904.

Almost surely, 2^666790119 is an apocalyptic number.

666790119 is a deficient number, since it is larger than the sum of its proper divisors (296351177).

666790119 is a wasteful number, since it uses less digits than its factorization.

666790119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74087797 (or 74087794 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 666790119 is about 25822.2795082076. The cubic root of 666790119 is about 873.6343841816.

The spelling of 666790119 in words is "six hundred sixty-six million, seven hundred ninety thousand, one hundred nineteen".