1066774860001 has 8 divisors (see below), whose sum is σ = 1160054061480. Its totient is φ = 976887629568.

The previous prime is 1066774859977. The next prime is 1066774860013. The reversal of 1066774860001 is 1000684776601.

It can be written as a sum of positive squares in 4 ways, for example, as 827052011776 + 239722848225 = 909424^2 + 489615^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1066774860001 - 2¹³ = 1066774851809 is a prime.

It is a super-2 number, since 2×1066774860001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066774860071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847992106 + ... + 847993363.

It is an arithmetic number, because the mean of its divisors is an integer number (145006757685).

Almost surely, 2^{1066774860001} is an apocalyptic number.

It is an amenable number.

1066774860001 is a deficient number, since it is larger than the sum of its proper divisors (93279201479).

1066774860001 is a wasteful number, since it uses less digits than its factorization.

1066774860001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695985523.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 1066774860001 in words is "one trillion, sixty-six billion, seven hundred seventy-four million, eight hundred sixty thousand, one".