6617349721142 has 16 divisors (see below), whose sum is σ = 10046281134960. Its totient is φ = 3268594627872.

The previous prime is 6617349721123. The next prime is 6617349721153. The reversal of 6617349721142 is 2411279437166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205084 + ... + 3832352.

It is an arithmetic number, because the mean of its divisors is an integer number (627892570935).

Almost surely, 2^{6617349721142} is an apocalyptic number.

6617349721142 is a deficient number, since it is larger than the sum of its proper divisors (3428931413818).

6617349721142 is a wasteful number, since it uses less digits than its factorization.

6617349721142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642527.

The product of its digits is 3048192, while the sum is 53.

The spelling of 6617349721142 in words is "six trillion, six hundred seventeen billion, three hundred forty-nine million, seven hundred twenty-one thousand, one hundred forty-two".