101066443 has 4 divisors (see below), whose sum is σ = 101631240. Its totient is φ = 100501648.

The previous prime is 101066419. The next prime is 101066461. The reversal of 101066443 is 344660101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344660101 = 6691 ⋅51511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101066443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101066243) 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, 282130 + ... + 282487.

It is an arithmetic number, because the mean of its divisors is an integer number (25407810).

Almost surely, 2^101066443 is an apocalyptic number.

101066443 is a deficient number, since it is larger than the sum of its proper divisors (564797).

101066443 is an equidigital number, since it uses as much as digits as its factorization.

101066443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564796.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 101066443 is about 10053.1807404423. The cubic root of 101066443 is about 465.8030490825.

The spelling of 101066443 in words is "one hundred one million, sixty-six thousand, four hundred forty-three".