1066050605 has 4 divisors (see below), whose sum is σ = 1279260732. Its totient is φ = 852840480.

The previous prime is 1066050593. The next prime is 1066050611. The reversal of 1066050605 is 5060506601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 259660996 + 806389609 = 16114^2 + 28397^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1066050605 is a prime.

It is a super-2 number, since 2×1066050605² = 2272927784841732050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106605056 + ... + 106605065.

It is an arithmetic number, because the mean of its divisors is an integer number (319815183).

Almost surely, 2^1066050605 is an apocalyptic number.

It is an amenable number.

1066050605 is a deficient number, since it is larger than the sum of its proper divisors (213210127).

1066050605 is an equidigital number, since it uses as much as digits as its factorization.

1066050605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213210126.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1066050605 is about 32650.4303953256. The cubic root of 1066050605 is about 1021.5491661987.

The spelling of 1066050605 in words is "one billion, sixty-six million, fifty thousand, six hundred five".