66666667341 has 4 divisors (see below), whose sum is σ = 88888889792. Its totient is φ = 44444444892.

The previous prime is 66666667337. The next prime is 66666667369. The reversal of 66666667341 is 14376666666.

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 not a de Polignac number, because 66666667341 - 2² = 66666667337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66666667391) 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 3 ways as a sum of consecutive naturals, for example, 11111111221 + ... + 11111111226.

It is an arithmetic number, because the mean of its divisors is an integer number (22222222448).

Almost surely, 2^66666667341 is an apocalyptic number.

It is an amenable number.

66666667341 is a deficient number, since it is larger than the sum of its proper divisors (22222222451).

66666667341 is a wasteful number, since it uses less digits than its factorization.

66666667341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22222222450.

The product of its digits is 23514624, while the sum is 57.

The spelling of 66666667341 in words is "sixty-six billion, six hundred sixty-six million, six hundred sixty-seven thousand, three hundred forty-one".