5501666242 has 16 divisors (see below), whose sum is σ = 8749463832. Its totient is φ = 2585605120.

The previous prime is 5501666237. The next prime is 5501666251. The reversal of 5501666242 is 2426661055.

It can be written as a sum of positive squares in 4 ways, for example, as 4234235041 + 1267431201 = 65071^2 + 35601^2 .

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 7 ways as a sum of consecutive naturals, for example, 80443 + ... + 132190.

Almost surely, 2^5501666242 is an apocalyptic number.

5501666242 is a deficient number, since it is larger than the sum of its proper divisors (3247797590).

5501666242 is a wasteful number, since it uses less digits than its factorization.

5501666242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213413.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 5501666242 is about 74173.2178215291. The cubic root of 5501666242 is about 1765.3524046551.

The spelling of 5501666242 in words is "five billion, five hundred one million, six hundred sixty-six thousand, two hundred forty-two".