5503800666 has 32 divisors (see below), whose sum is σ = 13547818368. Its totient is φ = 1451551680.

The previous prime is 5503800629. The next prime is 5503800689. The reversal of 5503800666 is 6660083055.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5039565 + ... + 5040656.

It is an arithmetic number, because the mean of its divisors is an integer number (423369324).

Almost surely, 2^5503800666 is an apocalyptic number.

5503800666 is an abundant number, since it is smaller than the sum of its proper divisors (8044017702).

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

5503800666 is a wasteful number, since it uses less digits than its factorization.

5503800666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080246.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 5503800666 is about 74187.6045306761. The cubic root of 5503800666 is about 1765.5806702509.

The spelling of 5503800666 in words is "five billion, five hundred three million, eight hundred thousand, six hundred sixty-six".