7666147143 has 6 divisors (see below), whose sum is σ = 11073323664. Its totient is φ = 5110764756.

The previous prime is 7666147141. The next prime is 7666147157. The reversal of 7666147143 is 3417416667.

It is not a de Polignac number, because 7666147143 - 2¹ = 7666147141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666147141) 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 5 ways as a sum of consecutive naturals, for example, 425897055 + ... + 425897072.

It is an arithmetic number, because the mean of its divisors is an integer number (1845553944).

Almost surely, 2^7666147143 is an apocalyptic number.

7666147143 is a deficient number, since it is larger than the sum of its proper divisors (3407176521).

7666147143 is a wasteful number, since it uses less digits than its factorization.

7666147143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851794133 (or 851794130 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 7666147143 is about 87556.5368376342. The cubic root of 7666147143 is about 1971.7826926225.

The spelling of 7666147143 in words is "seven billion, six hundred sixty-six million, one hundred forty-seven thousand, one hundred forty-three".