56065066165 has 16 divisors (see below), whose sum is σ = 68874986736. Its totient is φ = 43799616000.

The previous prime is 56065066129. The next prime is 56065066231. The reversal of 56065066165 is 56166056065.

56065066165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 16657257969 + 39407808196 = 129063^2 + 198514^2 .

It is not a de Polignac number, because 56065066165 - 2¹³ = 56065057973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723546 + ... + 797275.

It is an arithmetic number, because the mean of its divisors is an integer number (4304686671).

Almost surely, 2^56065066165 is an apocalyptic number.

It is an amenable number.

56065066165 is a deficient number, since it is larger than the sum of its proper divisors (12809920571).

56065066165 is a wasteful number, since it uses less digits than its factorization.

56065066165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521000.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 56065066165 in words is "fifty-six billion, sixty-five million, sixty-six thousand, one hundred sixty-five".