5546665666456 has 32 divisors (see below), whose sum is σ = 11036620092240. Its totient is φ = 2604303490048.

The previous prime is 5546665666391. The next prime is 5546665666457. The reversal of 5546665666456 is 6546665666455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5546665666457) 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, 45971701 + ... + 46092196.

Almost surely, 2^{5546665666456} is an apocalyptic number.

It is an amenable number.

5546665666456 is a deficient number, since it is larger than the sum of its proper divisors (5489954425784).

5546665666456 is a wasteful number, since it uses less digits than its factorization.

5546665666456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92064363 (or 92064359 counting only the distinct ones).

The product of its digits is 2799360000, while the sum is 70.

Subtracting 5546665666456 from its reverse (6546665666455), we obtain a palindrome (999999999999).

The spelling of 5546665666456 in words is "five trillion, five hundred forty-six billion, six hundred sixty-five million, six hundred sixty-six thousand, four hundred fifty-six".