1066005463 has 4 divisors (see below), whose sum is σ = 1100392768. Its totient is φ = 1031618160.

The previous prime is 1066005397. The next prime is 1066005497. The reversal of 1066005463 is 3645006601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3645006601 = 17 ⋅214412153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066005463 is a prime.

It is a super-2 number, since 2×1066005463² = 2272735294291688738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 34387273 = 1066005463 / (1 + 0 + 6 + 6 + 0 + 0 + 5 + 4 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066105463) 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, 17193606 + ... + 17193667.

It is an arithmetic number, because the mean of its divisors is an integer number (275098192).

Almost surely, 2^1066005463 is an apocalyptic number.

1066005463 is a deficient number, since it is larger than the sum of its proper divisors (34387305).

1066005463 is an equidigital number, since it uses as much as digits as its factorization.

1066005463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34387304.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1066005463 is about 32649.7390954354. The cubic root of 1066005463 is about 1021.5347468009.

The spelling of 1066005463 in words is "one billion, sixty-six million, five thousand, four hundred sixty-three".