6684155319442 has 16 divisors (see below), whose sum is σ = 10617410299392. Its totient is φ = 3145070364480.

The previous prime is 6684155319437. The next prime is 6684155319487. The reversal of 6684155319442 is 2449135514866.

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, 12690978 + ... + 13207165.

It is an arithmetic number, because the mean of its divisors is an integer number (663588143712).

Almost surely, 2^{6684155319442} is an apocalyptic number.

6684155319442 is a deficient number, since it is larger than the sum of its proper divisors (3933254979950).

6684155319442 is a wasteful number, since it uses less digits than its factorization.

6684155319442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25905753.

The product of its digits is 24883200, while the sum is 58.

The spelling of 6684155319442 in words is "six trillion, six hundred eighty-four billion, one hundred fifty-five million, three hundred nineteen thousand, four hundred forty-two".