1066153243 has 4 divisors (see below), whose sum is σ = 1076117400. Its totient is φ = 1056189088.

The previous prime is 1066153237. The next prime is 1066153301. The reversal of 1066153243 is 3423516601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3423516601 = 293 ⋅11684357.

It is a cyclic number.

It is not a de Polignac number, because 1066153243 - 2⁵ = 1066153211 is a prime.

It is a super-2 number, since 2×1066153243² = 2273365475118834098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066153943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4981918 + ... + 4982131.

It is an arithmetic number, because the mean of its divisors is an integer number (269029350).

Almost surely, 2^1066153243 is an apocalyptic number.

1066153243 is a deficient number, since it is larger than the sum of its proper divisors (9964157).

1066153243 is an equidigital number, since it uses as much as digits as its factorization.

1066153243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9964156.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1066153243 is about 32652.0021285066. The cubic root of 1066153243 is about 1021.5819496326.

Adding to 1066153243 its reverse (3423516601), we get a palindrome (4489669844).

The spelling of 1066153243 in words is "one billion, sixty-six million, one hundred fifty-three thousand, two hundred forty-three".