565106665 has 8 divisors (see below), whose sum is σ = 707611968. Its totient is φ = 432429360.

The previous prime is 565106653. The next prime is 565106677. The reversal of 565106665 is 566601565.

It is an interprime number because it is at equal distance from previous prime (565106653) and next prime (565106677).

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

It is not a de Polignac number, because 565106665 - 2⁹ = 565106153 is a prime.

It is a Duffinian number.

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, 2456871 + ... + 2457100.

It is an arithmetic number, because the mean of its divisors is an integer number (88451496).

Almost surely, 2^565106665 is an apocalyptic number.

It is an amenable number.

565106665 is a deficient number, since it is larger than the sum of its proper divisors (142505303).

565106665 is a wasteful number, since it uses less digits than its factorization.

565106665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913999.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 565106665 is about 23771.9722572613. The cubic root of 565106665 is about 826.7549614291.

The spelling of 565106665 in words is "five hundred sixty-five million, one hundred six thousand, six hundred sixty-five".