1966063 has 16 divisors (see below), whose sum is σ = 2361600. Its totient is φ = 1615680.

The previous prime is 1966049. The next prime is 1966079. The reversal of 1966063 is 3606691.

It is not a de Polignac number, because 1966063 - 2⁵ = 1966031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4603 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (147600).

2^1966063 is an apocalyptic number.

1966063 is a deficient number, since it is larger than the sum of its proper divisors (395537).

1966063 is a wasteful number, since it uses less digits than its factorization.

1966063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1966063 is about 1402.1636851666. The cubic root of 1966063 is about 125.2754034446.

The spelling of 1966063 in words is "one million, nine hundred sixty-six thousand, sixty-three".