6628559452 has 6 divisors (see below), whose sum is σ = 11599979048. Its totient is φ = 3314279724.

The previous prime is 6628559447. The next prime is 6628559453. The reversal of 6628559452 is 2549558266.

It is a self number, because there is not a number n which added to its sum of digits gives 6628559452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628559453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828569928 + ... + 828569935.

Almost surely, 2^6628559452 is an apocalyptic number.

It is an amenable number.

6628559452 is a deficient number, since it is larger than the sum of its proper divisors (4971419596).

6628559452 is a wasteful number, since it uses less digits than its factorization.

6628559452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657139867 (or 1657139865 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 52.

The square root of 6628559452 is about 81415.9655841531. The cubic root of 6628559452 is about 1878.4791771115.

The spelling of 6628559452 in words is "six billion, six hundred twenty-eight million, five hundred fifty-nine thousand, four hundred fifty-two".