10610609666 has 8 divisors (see below), whose sum is σ = 15981956364. Its totient is φ = 5283290880.

The previous prime is 10610609663. The next prime is 10610609741. The reversal of 10610609666 is 66690601601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9819819025 + 790790641 = 99095^2 + 28121^2 .

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

It is a super-2 number, since 2×10610609666² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10610609663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11006375 + ... + 11007338.

Almost surely, 2^10610609666 is an apocalyptic number.

10610609666 is a deficient number, since it is larger than the sum of its proper divisors (5371346698).

10610609666 is a wasteful number, since it uses less digits than its factorization.

10610609666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22013956.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 10610609666 in words is "ten billion, six hundred ten million, six hundred nine thousand, six hundred sixty-six".