5501666 has 8 divisors (see below), whose sum is σ = 8328540. Its totient is φ = 2725488.

The previous prime is 5501653. The next prime is 5501681. The reversal of 5501666 is 6661055.

It can be written as a sum of positive squares in 2 ways, for example, as 5175625 + 326041 = 2275^2 + 571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12401 + ... + 12836.

Almost surely, 2^5501666 is an apocalyptic number.

5501666 is a deficient number, since it is larger than the sum of its proper divisors (2826874).

5501666 is a wasteful number, since it uses less digits than its factorization.

5501666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25348.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 5501666 is about 2345.5630454115. The cubic root of 5501666 is about 176.5352378771.

The spelling of 5501666 in words is "five million, five hundred one thousand, six hundred sixty-six".