1066602243 has 8 divisors (see below), whose sum is σ = 1625298688. Its totient is φ = 609486984.

The previous prime is 1066602211. The next prime is 1066602247. The reversal of 1066602243 is 3422066601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1066602243 - 2⁵ = 1066602211 is a prime.

It is a super-2 number, since 2×1066602243² = 2275280689545262098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066602243.

It is not an unprimeable number, because it can be changed into a prime (1066602247) 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, 25395271 + ... + 25395312.

It is an arithmetic number, because the mean of its divisors is an integer number (203162336).

Almost surely, 2^1066602243 is an apocalyptic number.

1066602243 is a deficient number, since it is larger than the sum of its proper divisors (558696445).

1066602243 is an equidigital number, since it uses as much as digits as its factorization.

1066602243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50790593.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1066602243 is about 32658.8769402746. The cubic root of 1066602243 is about 1021.7253392508.

Adding to 1066602243 its reverse (3422066601), we get a palindrome (4488668844).

The spelling of 1066602243 in words is "one billion, sixty-six million, six hundred two thousand, two hundred forty-three".