7666320711 has 16 divisors (see below), whose sum is σ = 11704365824. Its totient is φ = 4372372224.

The previous prime is 7666320691. The next prime is 7666320713. The reversal of 7666320711 is 1170236667.

It is not a de Polignac number, because 7666320711 - 2¹¹ = 7666318663 is a prime.

It is a super-4 number, since 4×7666320711⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7666320711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666320713) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 338026 + ... + 359991.

It is an arithmetic number, because the mean of its divisors is an integer number (731522864).

Almost surely, 2^7666320711 is an apocalyptic number.

7666320711 is a deficient number, since it is larger than the sum of its proper divisors (4038045113).

7666320711 is a wasteful number, since it uses less digits than its factorization.

7666320711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698550.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 7666320711 is about 87557.5280087326. The cubic root of 7666320711 is about 1971.7975734481.

The spelling of 7666320711 in words is "seven billion, six hundred sixty-six million, three hundred twenty thousand, seven hundred eleven".