66279129314 has 4 divisors (see below), whose sum is σ = 99418693974. Its totient is φ = 33139564656.

The previous prime is 66279129311. The next prime is 66279129337. The reversal of 66279129314 is 41392197266.

66279129314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 35904565225 + 30374564089 = 189485^2 + 174283^2 .

It is a super-2 number, since 2×66279129314² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66279129311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16569782327 + ... + 16569782330.

Almost surely, 2^66279129314 is an apocalyptic number.

66279129314 is a deficient number, since it is larger than the sum of its proper divisors (33139564660).

66279129314 is a wasteful number, since it uses less digits than its factorization.

66279129314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33139564659.

The product of its digits is 979776, while the sum is 50.

The spelling of 66279129314 in words is "sixty-six billion, two hundred seventy-nine million, one hundred twenty-nine thousand, three hundred fourteen".