6555166516 has 36 divisors (see below), whose sum is σ = 12364809408. Its totient is φ = 3038981904.

The previous prime is 6555166507. The next prime is 6555166517. The reversal of 6555166516 is 6156615556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555166517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19575 + ... + 116161.

It is an arithmetic number, because the mean of its divisors is an integer number (343466928).

Almost surely, 2^6555166516 is an apocalyptic number.

It is an amenable number.

6555166516 is a deficient number, since it is larger than the sum of its proper divisors (5809642892).

6555166516 is a wasteful number, since it uses less digits than its factorization.

6555166516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96676 (or 96655 counting only the distinct ones).

The product of its digits is 810000, while the sum is 46.

The square root of 6555166516 is about 80963.9828318741. The cubic root of 6555166516 is about 1871.5204460649.

The spelling of 6555166516 in words is "six billion, five hundred fifty-five million, one hundred sixty-six thousand, five hundred sixteen".