1066845513471 has 4 divisors (see below), whose sum is σ = 1422460684632. Its totient is φ = 711230342312.

The previous prime is 1066845513467. The next prime is 1066845513509. The reversal of 1066845513471 is 1743155486601.

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

It is a cyclic number.

It is not a de Polignac number, because 1066845513471 - 2² = 1066845513467 is a prime.

It is a super-3 number, since 3×1066845513471³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066845512471) 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, 177807585576 + ... + 177807585581.

It is an arithmetic number, because the mean of its divisors is an integer number (355615171158).

Almost surely, 2^{1066845513471} is an apocalyptic number.

1066845513471 is a deficient number, since it is larger than the sum of its proper divisors (355615171161).

1066845513471 is an equidigital number, since it uses as much as digits as its factorization.

1066845513471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355615171160.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 1066845513471 in words is "one trillion, sixty-six billion, eight hundred forty-five million, five hundred thirteen thousand, four hundred seventy-one".