10665214605 has 24 divisors (see below), whose sum is σ = 19573807032. Its totient is φ = 5353519104.

The previous prime is 10665214589. The next prime is 10665214607. The reversal of 10665214605 is 50641256601.

10665214605 is a `hidden beast` number, since 10 + 66 + 521 + 4 + 60 + 5 = 666.

10665214605 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 4 ways, for example, as 4803321636 + 5861892969 = 69306^2 + 76563^2 .

It is not a de Polignac number, because 10665214605 - 2⁴ = 10665214589 is a prime.

It is a super-2 number, since 2×10665214605² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10665214605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10665214607) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6969964 + ... + 6971493.

It is an arithmetic number, because the mean of its divisors is an integer number (815575293).

Almost surely, 2^10665214605 is an apocalyptic number.

10665214605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10665214605 is a deficient number, since it is larger than the sum of its proper divisors (8908592427).

10665214605 is a wasteful number, since it uses less digits than its factorization.

10665214605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13941485 (or 13941482 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 10665214605 in words is "ten billion, six hundred sixty-five million, two hundred fourteen thousand, six hundred five".