1066651060565 has 8 divisors (see below), whose sum is σ = 1301675870880. Its totient is φ = 838857782992.

The previous prime is 1066651060547. The next prime is 1066651060571. The reversal of 1066651060565 is 5650601566601.

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 1066651060565 - 2¹² = 1066651056469 is a prime.

It is a super-2 number, since 2×1066651060565² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807882859 + ... + 1807883448.

It is an arithmetic number, because the mean of its divisors is an integer number (162709483860).

Almost surely, 2^{1066651060565} is an apocalyptic number.

It is an amenable number.

1066651060565 is a deficient number, since it is larger than the sum of its proper divisors (235024810315).

1066651060565 is an equidigital number, since it uses as much as digits as its factorization.

1066651060565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615766371.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 1066651060565 in words is "one trillion, sixty-six billion, six hundred fifty-one million, sixty thousand, five hundred sixty-five".