4007668565 has 8 divisors (see below), whose sum is σ = 4824869280. Its totient is φ = 3195690192.

The previous prime is 4007668549. The next prime is 4007668571. The reversal of 4007668565 is 5658667004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4007668565 - 2⁴ = 4007668549 is a prime.

It is a super-2 number, since 2×4007668565² = 32122814653778318450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1303895 + ... + 1306964.

It is an arithmetic number, because the mean of its divisors is an integer number (603108660).

Almost surely, 2^4007668565 is an apocalyptic number.

It is an amenable number.

4007668565 is a deficient number, since it is larger than the sum of its proper divisors (817200715).

4007668565 is a wasteful number, since it uses less digits than its factorization.

4007668565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611171.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 4007668565 is about 63306.1495038199. The cubic root of 4007668565 is about 1588.4148284054.

The spelling of 4007668565 in words is "four billion, seven million, six hundred sixty-eight thousand, five hundred sixty-five".