667875669119 has 4 divisors (see below), whose sum is σ = 668654988144. Its totient is φ = 667096350096.

The previous prime is 667875669103. The next prime is 667875669163. The reversal of 667875669119 is 911966578766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 667875669119 - 2⁴ = 667875669103 is a prime.

It is a super-2 number, since 2×667875669119² (a number of 24 digits) 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 (667875669719) 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, 389658227 + ... + 389659940.

It is an arithmetic number, because the mean of its divisors is an integer number (167163747036).

Almost surely, 2^667875669119 is an apocalyptic number.

667875669119 is a deficient number, since it is larger than the sum of its proper divisors (779319025).

667875669119 is an equidigital number, since it uses as much as digits as its factorization.

667875669119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779319024.

The product of its digits is 205752960, while the sum is 71.

The spelling of 667875669119 in words is "six hundred sixty-seven billion, eight hundred seventy-five million, six hundred sixty-nine thousand, one hundred nineteen".