1066240055 has 8 divisors (see below), whose sum is σ = 1310695344. Its totient is φ = 832187200.

The previous prime is 1066240033. The next prime is 1066240069. The reversal of 1066240055 is 5500426601.

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

It is not a de Polignac number, because 1066240055 - 2¹² = 1066235959 is a prime.

It is a super-2 number, since 2×1066240055² = 2273735709772806050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2600381 + ... + 2600790.

It is an arithmetic number, because the mean of its divisors is an integer number (163836918).

Almost surely, 2^1066240055 is an apocalyptic number.

1066240055 is a deficient number, since it is larger than the sum of its proper divisors (244455289).

1066240055 is an equidigital number, since it uses as much as digits as its factorization.

1066240055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201217.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1066240055 is about 32653.3314533142. The cubic root of 1066240055 is about 1021.6096764676.

Adding to 1066240055 its reverse (5500426601), we get a palindrome (6566666656).

The spelling of 1066240055 in words is "one billion, sixty-six million, two hundred forty thousand, fifty-five".