1066046405 has 8 divisors (see below), whose sum is σ = 1313830392. Its totient is φ = 829787328.

The previous prime is 1066046381. The next prime is 1066046437. The reversal of 1066046405 is 5046406601.

It can be written as a sum of positive squares in 4 ways, for example, as 86731969 + 979314436 = 9313^2 + 31294^2 .

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 1066046405 - 2⁶ = 1066046341 is a prime.

It is a super-2 number, since 2×1066046405² = 2272909875226848050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2881022 + ... + 2881391.

It is an arithmetic number, because the mean of its divisors is an integer number (164228799).

Almost surely, 2^1066046405 is an apocalyptic number.

It is an amenable number.

1066046405 is a deficient number, since it is larger than the sum of its proper divisors (247783987).

1066046405 is an equidigital number, since it uses as much as digits as its factorization.

1066046405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762455.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1066046405 is about 32650.3660775802. The cubic root of 1066046405 is about 1021.5478246388.

The spelling of 1066046405 in words is "one billion, sixty-six million, forty-six thousand, four hundred five".