5408365666 has 16 divisors (see below), whose sum is σ = 8851772160. Its totient is φ = 2457870480.

The previous prime is 5408365663. The next prime is 5408365691. The reversal of 5408365666 is 6665638045.

It is not an unprimeable number, because it can be changed into a prime (5408365663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108175 + ... + 150061.

It is an arithmetic number, because the mean of its divisors is an integer number (553235760).

Almost surely, 2^5408365666 is an apocalyptic number.

5408365666 is a deficient number, since it is larger than the sum of its proper divisors (3443406494).

5408365666 is a wasteful number, since it uses less digits than its factorization.

5408365666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47769.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The square root of 5408365666 is about 73541.5914024166. The cubic root of 5408365666 is about 1755.3161516245.

The spelling of 5408365666 in words is "five billion, four hundred eight million, three hundred sixty-five thousand, six hundred sixty-six".