66813473414 has 32 divisors (see below), whose sum is σ = 101917094400. Its totient is φ = 32846821920.

The previous prime is 66813473383. The next prime is 66813473437. The reversal of 66813473414 is 41437431866.

66813473414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16377827 + ... + 16381905.

It is an arithmetic number, because the mean of its divisors is an integer number (3184909200).

Almost surely, 2^66813473414 is an apocalyptic number.

66813473414 is a deficient number, since it is larger than the sum of its proper divisors (35103620986).

66813473414 is a wasteful number, since it uses less digits than its factorization.

66813473414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748.

The product of its digits is 1161216, while the sum is 47.

The spelling of 66813473414 in words is "sixty-six billion, eight hundred thirteen million, four hundred seventy-three thousand, four hundred fourteen".