66421206114 has 16 divisors (see below), whose sum is σ = 133812066528. Its totient is φ = 21978792992.

The previous prime is 66421206083. The next prime is 66421206127. The reversal of 66421206114 is 41160212466.

66421206114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40401372 + ... + 40403015.

It is an arithmetic number, because the mean of its divisors is an integer number (8363254158).

Almost surely, 2^66421206114 is an apocalyptic number.

66421206114 is an abundant number, since it is smaller than the sum of its proper divisors (67390860414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66421206114 is a wasteful number, since it uses less digits than its factorization.

66421206114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80804529.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 66421206114 in words is "sixty-six billion, four hundred twenty-one million, two hundred six thousand, one hundred fourteen".