6122704021640 has 32 divisors (see below), whose sum is σ = 14375044226880. Its totient is φ = 2342599799232.

The previous prime is 6122704021619. The next prime is 6122704021711. The reversal of 6122704021640 is 461204072216.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6122704021640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3327555614 + ... + 3327557453.

It is an arithmetic number, because the mean of its divisors is an integer number (449220132090).

Almost surely, 2^{6122704021640} is an apocalyptic number.

It is an amenable number.

6122704021640 is an abundant number, since it is smaller than the sum of its proper divisors (8252340205240).

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

6122704021640 is a wasteful number, since it uses less digits than its factorization.

6122704021640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655113101 (or 6655113097 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 6122704021640 its reverse (461204072216), we get a palindrome (6583908093856).

The spelling of 6122704021640 in words is "six trillion, one hundred twenty-two billion, seven hundred four million, twenty-one thousand, six hundred forty".