6600045 has 16 divisors (see below), whose sum is σ = 10608192. Its totient is φ = 3504000.

The previous prime is 6600043. The next prime is 6600053. The reversal of 6600045 is 5400066.

It is not a de Polignac number, because 6600045 - 2¹ = 6600043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6599994 and 6600030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2889 + ... + 4641.

It is an arithmetic number, because the mean of its divisors is an integer number (663012).

Almost surely, 2^6600045 is an apocalyptic number.

It is an amenable number.

6600045 is a deficient number, since it is larger than the sum of its proper divisors (4008147).

6600045 is a wasteful number, since it uses less digits than its factorization.

6600045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6600045 is about 2569.0552738312. The cubic root of 6600045 is about 187.5781718488.

Adding to 6600045 its sum of digits (21), we get a palindrome (6600066).

The spelling of 6600045 in words is "six million, six hundred thousand, forty-five".