1075065566 has 4 divisors (see below), whose sum is σ = 1612598352. Its totient is φ = 537532782.

The previous prime is 1075065557. The next prime is 1075065569. The reversal of 1075065566 is 6655605701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6655605701 = 157 ⋅42392393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075065569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268766390 + ... + 268766393.

It is an arithmetic number, because the mean of its divisors is an integer number (403149588).

Almost surely, 2^1075065566 is an apocalyptic number.

1075065566 is a deficient number, since it is larger than the sum of its proper divisors (537532786).

1075065566 is an equidigital number, since it uses as much as digits as its factorization.

1075065566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537532785.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 1075065566 is about 32788.1924783908. The cubic root of 1075065566 is about 1024.4206334397.

The spelling of 1075065566 in words is "one billion, seventy-five million, sixty-five thousand, five hundred sixty-six".