66279129334 has 8 divisors (see below), whose sum is σ = 108456757128. Its totient is φ = 30126876960.

The previous prime is 66279129311. The next prime is 66279129337. The reversal of 66279129334 is 43392197266.

It is a happy number.

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 (66279129337) 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, 1506343827 + ... + 1506343870.

It is an arithmetic number, because the mean of its divisors is an integer number (13557094641).

Almost surely, 2^66279129334 is an apocalyptic number.

66279129334 is a deficient number, since it is larger than the sum of its proper divisors (42177627794).

66279129334 is a wasteful number, since it uses less digits than its factorization.

66279129334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012687710.

The product of its digits is 2939328, while the sum is 52.

The spelling of 66279129334 in words is "sixty-six billion, two hundred seventy-nine million, one hundred twenty-nine thousand, three hundred thirty-four".