1066263827 has 4 divisors (see below), whose sum is σ = 1066639896. Its totient is φ = 1065887760.

The previous prime is 1066263823. The next prime is 1066263829. The reversal of 1066263827 is 7283626601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1066263827 - 2² = 1066263823 is a prime.

It is a super-2 number, since 2×1066263827² = 2273837097537371858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066263823) 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, 183749 + ... + 189462.

It is an arithmetic number, because the mean of its divisors is an integer number (266659974).

Almost surely, 2^1066263827 is an apocalyptic number.

1066263827 is a deficient number, since it is larger than the sum of its proper divisors (376069).

1066263827 is an equidigital number, since it uses as much as digits as its factorization.

1066263827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376068.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1066263827 is about 32653.6954570229. The cubic root of 1066263827 is about 1021.6172687306.

The spelling of 1066263827 in words is "one billion, sixty-six million, two hundred sixty-three thousand, eight hundred twenty-seven".