7666304275220 has 24 divisors (see below), whose sum is σ = 16156531655208. Its totient is φ = 3055608819200.

The previous prime is 7666304275219. The next prime is 7666304275271. The reversal of 7666304275220 is 225724036667.

It can be written as a sum of positive squares in 4 ways, for example, as 1295667699076 + 6370636576144 = 1138274^2 + 2524012^2 .

It is a congruent number.

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, 682049921 + ... + 682061160.

It is an arithmetic number, because the mean of its divisors is an integer number (673188818967).

Almost surely, 2^{7666304275220} is an apocalyptic number.

It is an amenable number.

7666304275220 is an abundant number, since it is smaller than the sum of its proper divisors (8490227379988).

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

7666304275220 is a wasteful number, since it uses less digits than its factorization.

7666304275220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364111371 (or 1364111369 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 50.

The spelling of 7666304275220 in words is "seven trillion, six hundred sixty-six billion, three hundred four million, two hundred seventy-five thousand, two hundred twenty".