7666500701 has 4 divisors (see below), whose sum is σ = 7699979100. Its totient is φ = 7633022304.

The previous prime is 7666500649. The next prime is 7666500731. The reversal of 7666500701 is 1070056667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3711977476 + 3954523225 = 60926^2 + 62885^2 .

It is a cyclic number.

It is not a de Polignac number, because 7666500701 - 2¹⁴ = 7666484317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666500731) 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 3 ways as a sum of consecutive naturals, for example, 16738856 + ... + 16739313.

It is an arithmetic number, because the mean of its divisors is an integer number (1924994775).

Almost surely, 2^7666500701 is an apocalyptic number.

It is an amenable number.

7666500701 is a deficient number, since it is larger than the sum of its proper divisors (33478399).

7666500701 is a wasteful number, since it uses less digits than its factorization.

7666500701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33478398.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 7666500701 is about 87558.5558412198. Note that the first 3 decimals coincide. The cubic root of 7666500701 is about 1971.8130046256.

The spelling of 7666500701 in words is "seven billion, six hundred sixty-six million, five hundred thousand, seven hundred one".