10606166581 has 2 divisors, whose sum is σ = 10606166582. Its totient is φ = 10606166580.

The previous prime is 10606166551. The next prime is 10606166611. The reversal of 10606166581 is 18566160601.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10606166551) and next prime (10606166611).

It can be written as a sum of positive squares in only one way, i.e., 6663456900 + 3942709681 = 81630^2 + 62791^2 .

It is a cyclic number.

It is not a de Polignac number, because 10606166581 - 2¹¹ = 10606164533 is a prime.

It is a super-2 number, since 2×10606166581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10606166521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5303083290 + 5303083291.

It is an arithmetic number, because the mean of its divisors is an integer number (5303083291).

Almost surely, 2^10606166581 is an apocalyptic number.

It is an amenable number.

10606166581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10606166581 is an equidigital number, since it uses as much as digits as its factorization.

10606166581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 10606166581 in words is "ten billion, six hundred six million, one hundred sixty-six thousand, five hundred eighty-one".