6640706120414 has 16 divisors (see below), whose sum is σ = 9988075088352. Its totient is φ = 3311359953888.

The previous prime is 6640706120387. The next prime is 6640706120437. The reversal of 6640706120414 is 4140216070466.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959089 + ... + 4137564.

It is an arithmetic number, because the mean of its divisors is an integer number (624254693022).

Almost surely, 2^{6640706120414} is an apocalyptic number.

6640706120414 is a deficient number, since it is larger than the sum of its proper divisors (3347368967938).

6640706120414 is a wasteful number, since it uses less digits than its factorization.

6640706120414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098131.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 6640706120414 in words is "six trillion, six hundred forty billion, seven hundred six million, one hundred twenty thousand, four hundred fourteen".