6607806645 has 32 divisors (see below), whose sum is σ = 11635726464. Its totient is φ = 3175424000.

The previous prime is 6607806637. The next prime is 6607806649. The reversal of 6607806645 is 5466087066.

It is not a de Polignac number, because 6607806645 - 2³ = 6607806637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6607806594 and 6607806603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6607806649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158556 + ... + 195845.

It is an arithmetic number, because the mean of its divisors is an integer number (363616452).

Almost surely, 2^6607806645 is an apocalyptic number.

It is an amenable number.

6607806645 is a deficient number, since it is larger than the sum of its proper divisors (5027919819).

6607806645 is a wasteful number, since it uses less digits than its factorization.

6607806645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354533.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 6607806645 is about 81288.4164257122. The cubic root of 6607806645 is about 1876.5167361198.

The spelling of 6607806645 in words is "six billion, six hundred seven million, eight hundred six thousand, six hundred forty-five".