5500123666 has 8 divisors (see below), whose sum is σ = 8373322800. Its totient is φ = 2709016068.

The previous prime is 5500123663. The next prime is 5500123703. The reversal of 5500123666 is 6663210055.

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

It is not an unprimeable number, because it can be changed into a prime (5500123663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20522716 + ... + 20522983.

It is an arithmetic number, because the mean of its divisors is an integer number (1046665350).

Almost surely, 2^5500123666 is an apocalyptic number.

5500123666 is a deficient number, since it is larger than the sum of its proper divisors (2873199134).

5500123666 is a wasteful number, since it uses less digits than its factorization.

5500123666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41045768.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 5500123666 is about 74162.8186222719. The cubic root of 5500123666 is about 1765.1873973838.

The spelling of 5500123666 in words is "five billion, five hundred million, one hundred twenty-three thousand, six hundred sixty-six".