5547653666 has 16 divisors (see below), whose sum is σ = 8535625560. Its totient is φ = 2702622720.

The previous prime is 5547653653. The next prime is 5547653669. The reversal of 5547653666 is 6663567455.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4702530625 + 845123041 = 68575^2 + 29071^2 .

It is a super-2 number, since 2×5547653666² = 61552922395766479112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5547653669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19070 + ... + 107046.

Almost surely, 2^5547653666 is an apocalyptic number.

5547653666 is a deficient number, since it is larger than the sum of its proper divisors (2987971894).

5547653666 is a wasteful number, since it uses less digits than its factorization.

5547653666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88789.

The product of its digits is 13608000, while the sum is 53.

The square root of 5547653666 is about 74482.5729013170. The cubic root of 5547653666 is about 1770.2575158111.

The spelling of 5547653666 in words is "five billion, five hundred forty-seven million, six hundred fifty-three thousand, six hundred sixty-six".