1066053191 has 8 divisors (see below), whose sum is σ = 1220217504. Its totient is φ = 912356640.

The previous prime is 1066053181. The next prime is 1066053211. The reversal of 1066053191 is 1913506601.

It is a happy number.

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 1066053191 - 2⁶ = 1066053127 is a prime.

It is a super-2 number, since 2×1066053191² = 2272938812082564962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066053101) 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, 112040 + ... + 121181.

It is an arithmetic number, because the mean of its divisors is an integer number (152527188).

Almost surely, 2^1066053191 is an apocalyptic number.

1066053191 is a deficient number, since it is larger than the sum of its proper divisors (154164313).

1066053191 is an equidigital number, since it uses as much as digits as its factorization.

1066053191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233881.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1066053191 is about 32650.4699966172. The cubic root of 1066053191 is about 1021.5499922145.

Adding to 1066053191 its reverse (1913506601), we get a palindrome (2979559792).

The spelling of 1066053191 in words is "one billion, sixty-six million, fifty-three thousand, one hundred ninety-one".