6652160665 has 4 divisors (see below), whose sum is σ = 7982592804. Its totient is φ = 5321728528.

The previous prime is 6652160659. The next prime is 6652160777. The reversal of 6652160665 is 5660612566.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4154060304 + 2498100361 = 64452^2 + 49981^2 .

It is a cyclic number.

It is not a de Polignac number, because 6652160665 - 2⁹ = 6652160153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665216062 + ... + 665216071.

It is an arithmetic number, because the mean of its divisors is an integer number (1995648201).

Almost surely, 2^6652160665 is an apocalyptic number.

It is an amenable number.

6652160665 is a deficient number, since it is larger than the sum of its proper divisors (1330432139).

6652160665 is a wasteful number, since it uses less digits than its factorization.

6652160665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330432138.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 6652160665 is about 81560.7789626852. The cubic root of 6652160665 is about 1880.7059994599.

The spelling of 6652160665 in words is "six billion, six hundred fifty-two million, one hundred sixty thousand, six hundred sixty-five".