66680067414 has 32 divisors (see below), whose sum is σ = 133946866944. Its totient is φ = 22129002080.

The previous prime is 66680067407. The next prime is 66680067439. The reversal of 66680067414 is 41476008666.

66680067414 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 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, 2846092 + ... + 2869424.

It is an arithmetic number, because the mean of its divisors is an integer number (4185839592).

Almost surely, 2^66680067414 is an apocalyptic number.

66680067414 is an abundant number, since it is smaller than the sum of its proper divisors (67266799530).

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

66680067414 is a wasteful number, since it uses less digits than its factorization.

66680067414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25412.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 66680067414 in words is "sixty-six billion, six hundred eighty million, sixty-seven thousand, four hundred fourteen".