1166416570641 has 24 divisors (see below), whose sum is σ = 1810224159744. Its totient is φ = 666122819040.

The previous prime is 1166416570639. The next prime is 1166416570663. The reversal of 1166416570641 is 1460756146611.

It is not a de Polignac number, because 1166416570641 - 2¹ = 1166416570639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166416570141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2141230 + ... + 2630151.

It is an arithmetic number, because the mean of its divisors is an integer number (75426006656).

Almost surely, 2^{1166416570641} is an apocalyptic number.

It is an amenable number.

1166416570641 is a deficient number, since it is larger than the sum of its proper divisors (643807589103).

1166416570641 is a wasteful number, since it uses less digits than its factorization.

1166416570641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773061 (or 4773054 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1166416570641 in words is "one trillion, one hundred sixty-six billion, four hundred sixteen million, five hundred seventy thousand, six hundred forty-one".