1060105606661 has 4 divisors (see below), whose sum is σ = 1122464760012. Its totient is φ = 997746453312.

The previous prime is 1060105606589. The next prime is 1060105606709. The reversal of 1060105606661 is 1666065010601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 318879313636 + 741226293025 = 564694^2 + 860945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1060105606661 is a prime.

It is a super-2 number, since 2×1060105606661² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1060105606561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31179576650 + ... + 31179576683.

It is an arithmetic number, because the mean of its divisors is an integer number (280616190003).

Almost surely, 2^{1060105606661} is an apocalyptic number.

It is an amenable number.

1060105606661 is a deficient number, since it is larger than the sum of its proper divisors (62359153351).

1060105606661 is an equidigital number, since it uses as much as digits as its factorization.

1060105606661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62359153350.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 1060105606661 in words is "one trillion, sixty billion, one hundred five million, six hundred six thousand, six hundred sixty-one".