10228165065 has 24 divisors (see below), whose sum is σ = 17731184328. Its totient is φ = 5454293760.

The previous prime is 10228165033. The next prime is 10228165111. The reversal of 10228165065 is 56056182201.

It can be written as a sum of positive squares in 4 ways, for example, as 6623843769 + 3604321296 = 81387^2 + 60036^2 .

It is not a de Polignac number, because 10228165065 - 2⁵ = 10228165033 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602595 + ... + 619335.

It is an arithmetic number, because the mean of its divisors is an integer number (738799347).

Almost surely, 2^10228165065 is an apocalyptic number.

10228165065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10228165065 is a deficient number, since it is larger than the sum of its proper divisors (7503019263).

10228165065 is a wasteful number, since it uses less digits than its factorization.

10228165065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30329 (or 30326 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 10228165065 in words is "ten billion, two hundred twenty-eight million, one hundred sixty-five thousand, sixty-five".