66667273334 has 8 divisors (see below), whose sum is σ = 100012858488. Its totient is φ = 33329653840.

The previous prime is 66667273331. The next prime is 66667273441. The reversal of 66667273334 is 43337276666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66667273331) 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, 1970447 + ... + 2003994.

It is an arithmetic number, because the mean of its divisors is an integer number (12501607311).

Almost surely, 2^66667273334 is an apocalyptic number.

66667273334 is a deficient number, since it is larger than the sum of its proper divisors (33345585154).

66667273334 is a wasteful number, since it uses less digits than its factorization.

66667273334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982830.

The product of its digits is 13716864, while the sum is 53.

The spelling of 66667273334 in words is "sixty-six billion, six hundred sixty-seven million, two hundred seventy-three thousand, three hundred thirty-four".