6630604045 has 16 divisors (see below), whose sum is σ = 8653628592. Its totient is φ = 4847961600.

The previous prime is 6630604003. The next prime is 6630604067. The reversal of 6630604045 is 5404060366.

It can be written as a sum of positive squares in 8 ways, for example, as 128278276 + 6502325769 = 11326^2 + 80637^2 .

It is not a de Polignac number, because 6630604045 - 2⁹ = 6630603533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6630604045.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 498432 + ... + 511561.

It is an arithmetic number, because the mean of its divisors is an integer number (540851787).

Almost surely, 2^6630604045 is an apocalyptic number.

6630604045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6630604045 is a deficient number, since it is larger than the sum of its proper divisors (2023024547).

6630604045 is a wasteful number, since it uses less digits than its factorization.

6630604045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010112.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 6630604045 is about 81428.5210783052. The cubic root of 6630604045 is about 1878.6722975312.

The spelling of 6630604045 in words is "six billion, six hundred thirty million, six hundred four thousand, forty-five".