7661310706208 has 24 divisors (see below), whose sum is σ = 15084843909660. Its totient is φ = 3830239237120.

The previous prime is 7661310706163. The next prime is 7661310706241. The reversal of 7661310706208 is 8026070131667.

It can be written as a sum of positive squares in 2 ways, for example, as 7031046198544 + 630264507664 = 2651612^2 + 793892^2 .

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 3 ways as a sum of consecutive naturals, for example, 12704333 + ... + 13293708.

Almost surely, 2^{7661310706208} is an apocalyptic number.

It is an amenable number.

7661310706208 is a deficient number, since it is larger than the sum of its proper divisors (7423533203452).

7661310706208 is a wasteful number, since it uses less digits than its factorization.

7661310706208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26007260 (or 26007252 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 7661310706208 in words is "seven trillion, six hundred sixty-one billion, three hundred ten million, seven hundred six thousand, two hundred eight".