5166644456 has 16 divisors (see below), whose sum is σ = 9757154400. Its totient is φ = 2564736624.

The previous prime is 5166644453. The next prime is 5166644501. The reversal of 5166644456 is 6544466615.

It is a self number, because there is not a number n which added to its sum of digits gives 5166644456.

It is not an unprimeable number, because it can be changed into a prime (5166644453) 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 3 ways as a sum of consecutive naturals, for example, 2322020 + ... + 2324243.

It is an arithmetic number, because the mean of its divisors is an integer number (609822150).

Almost surely, 2^5166644456 is an apocalyptic number.

It is an amenable number.

5166644456 is a deficient number, since it is larger than the sum of its proper divisors (4590509944).

5166644456 is a wasteful number, since it uses less digits than its factorization.

5166644456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646408 (or 4646404 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 47.

The square root of 5166644456 is about 71879.3743434095. The cubic root of 5166644456 is about 1728.7659186445.

The spelling of 5166644456 in words is "five billion, one hundred sixty-six million, six hundred forty-four thousand, four hundred fifty-six".