5540567666 has 8 divisors (see below), whose sum is σ = 8311341744. Its totient is φ = 2770120420.

The previous prime is 5540567647. The next prime is 5540567671. The reversal of 5540567666 is 6667650455.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33680 + ... + 110523.

It is an arithmetic number, because the mean of its divisors is an integer number (1038917718).

Almost surely, 2^5540567666 is an apocalyptic number.

5540567666 is a deficient number, since it is larger than the sum of its proper divisors (2770774078).

5540567666 is a wasteful number, since it uses less digits than its factorization.

5540567666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163416.

The product of its (nonzero) digits is 4536000, while the sum is 50.

The square root of 5540567666 is about 74434.9895277752. The cubic root of 5540567666 is about 1769.5034799533.

The spelling of 5540567666 in words is "five billion, five hundred forty million, five hundred sixty-seven thousand, six hundred sixty-six".