1063866057 has 4 divisors (see below), whose sum is σ = 1418488080. Its totient is φ = 709244036.

The previous prime is 1063866049. The next prime is 1063866077. The reversal of 1063866057 is 7506683601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7506683601 = 3 ⋅2502227867.

It is a cyclic number.

It is not a de Polignac number, because 1063866057 - 2³ = 1063866049 is a prime.

It is a super-2 number, since 2×1063866057² = 2263621974473454498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1063866007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177311007 + ... + 177311012.

It is an arithmetic number, because the mean of its divisors is an integer number (354622020).

Almost surely, 2^1063866057 is an apocalyptic number.

It is an amenable number.

1063866057 is a deficient number, since it is larger than the sum of its proper divisors (354622023).

1063866057 is an equidigital number, since it uses as much as digits as its factorization.

1063866057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354622022.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 1063866057 is about 32616.9596529168. The cubic root of 1063866057 is about 1020.8509037646.

The spelling of 1063866057 in words is "one billion, sixty-three million, eight hundred sixty-six thousand, fifty-seven".