1016060560661 has 4 divisors (see below), whose sum is σ = 1016293766892. Its totient is φ = 1015827354432.

The previous prime is 1016060560639. The next prime is 1016060560667. The reversal of 1016060560661 is 1660650606101.

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 725701238161 + 290359322500 = 851881^2 + 538850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016060560661 - 2¹⁴ = 1016060544277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016060560667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116596580 + ... + 116605293.

It is an arithmetic number, because the mean of its divisors is an integer number (254073441723).

Almost surely, 2^{1016060560661} is an apocalyptic number.

It is an amenable number.

1016060560661 is a deficient number, since it is larger than the sum of its proper divisors (233206231).

1016060560661 is an equidigital number, since it uses as much as digits as its factorization.

1016060560661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233206230.

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

The spelling of 1016060560661 in words is "one trillion, sixteen billion, sixty million, five hundred sixty thousand, six hundred sixty-one".