1066357255 has 4 divisors (see below), whose sum is σ = 1279628712. Its totient is φ = 853085800.

The previous prime is 1066357241. The next prime is 1066357267. The reversal of 1066357255 is 5527536601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1066357255 - 2⁹ = 1066356743 is a prime.

It is a super-2 number, since 2×1066357255² = 2274235590582270050, 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 3 ways as a sum of consecutive naturals, for example, 106635721 + ... + 106635730.

It is an arithmetic number, because the mean of its divisors is an integer number (319907178).

Almost surely, 2^1066357255 is an apocalyptic number.

1066357255 is a deficient number, since it is larger than the sum of its proper divisors (213271457).

1066357255 is an equidigital number, since it uses as much as digits as its factorization.

1066357255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213271456.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 1066357255 is about 32655.1260141498. The cubic root of 1066357255 is about 1021.6471065213.

The spelling of 1066357255 in words is "one billion, sixty-six million, three hundred fifty-seven thousand, two hundred fifty-five".