5610554666 has 16 divisors (see below), whose sum is σ = 8715198888. Its totient is φ = 2707224000.

The previous prime is 5610554647. The next prime is 5610554671. The reversal of 5610554666 is 6664550165.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4747899025 + 862655641 = 68905^2 + 29371^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427385 + ... + 440316.

Almost surely, 2^5610554666 is an apocalyptic number.

5610554666 is a deficient number, since it is larger than the sum of its proper divisors (3104644222).

5610554666 is a wasteful number, since it uses less digits than its factorization.

5610554666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867817.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 5610554666 is about 74903.6358663583. The cubic root of 5610554666 is about 1776.9229616560.

The spelling of 5610554666 in words is "five billion, six hundred ten million, five hundred fifty-four thousand, six hundred sixty-six".