6607165640 has 32 divisors (see below), whose sum is σ = 15648552000. Its totient is φ = 2503767744.

The previous prime is 6607165639. The next prime is 6607165661. The reversal of 6607165640 is 465617066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346060 + ... + 4347579.

It is an arithmetic number, because the mean of its divisors is an integer number (489017250).

Almost surely, 2^6607165640 is an apocalyptic number.

It is an amenable number.

6607165640 is an abundant number, since it is smaller than the sum of its proper divisors (9041386360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6607165640 is a wasteful number, since it uses less digits than its factorization.

6607165640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693669 (or 8693665 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 6607165640 is about 81284.4735481506. The cubic root of 6607165640 is about 1876.4560555958.

The spelling of 6607165640 in words is "six billion, six hundred seven million, one hundred sixty-five thousand, six hundred forty".