5527647666 has 12 divisors (see below), whose sum is σ = 11976569982. Its totient is φ = 1842549216.

The previous prime is 5527647659. The next prime is 5527647677. The reversal of 5527647666 is 6667467255.

It can be written as a sum of positive squares in only one way, i.e., 2773602225 + 2754045441 = 52665^2 + 52479^2 .

It is an unprimeable number.

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, 153545751 + ... + 153545786.

Almost surely, 2^5527647666 is an apocalyptic number.

5527647666 is an abundant number, since it is smaller than the sum of its proper divisors (6448922316).

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

5527647666 is a wasteful number, since it uses less digits than its factorization.

5527647666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307091545 (or 307091542 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The square root of 5527647666 is about 74348.1517322388. The cubic root of 5527647666 is about 1768.1269796889.

The spelling of 5527647666 in words is "five billion, five hundred twenty-seven million, six hundred forty-seven thousand, six hundred sixty-six".