1066425505 has 8 divisors (see below), whose sum is σ = 1280399400. Its totient is φ = 852681216.

The previous prime is 1066425491. The next prime is 1066425511. The reversal of 1066425505 is 5055246601.

1066425505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22877089 + 1043548416 = 4783^2 + 32304^2 .

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 1066425505 - 2⁵ = 1066425473 is a prime.

It is a super-2 number, since 2×1066425505² = 2274526715429010050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47010 + ... + 65899.

It is an arithmetic number, because the mean of its divisors is an integer number (160049925).

Almost surely, 2^1066425505 is an apocalyptic number.

It is an amenable number.

1066425505 is a deficient number, since it is larger than the sum of its proper divisors (213973895).

1066425505 is a wasteful number, since it uses less digits than its factorization.

1066425505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114803.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1066425505 is about 32656.1710094738. The cubic root of 1066425505 is about 1021.6689021960.

The spelling of 1066425505 in words is "one billion, sixty-six million, four hundred twenty-five thousand, five hundred five".