1006320021063 has 12 divisors (see below), whose sum is σ = 1560822890040. Its totient is φ = 575040011952.

The previous prime is 1006320021043. The next prime is 1006320021073. The reversal of 1006320021063 is 3601200236001.

It is a happy number.

It is not a de Polignac number, because 1006320021063 - 2⁶ = 1006320020999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006320021013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3422857068 + ... + 3422857361.

It is an arithmetic number, because the mean of its divisors is an integer number (130068574170).

Almost surely, 2^{1006320021063} is an apocalyptic number.

1006320021063 is a deficient number, since it is larger than the sum of its proper divisors (554502868977).

1006320021063 is an equidigital number, since it uses as much as digits as its factorization.

1006320021063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845714446 (or 6845714439 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1006320021063 its reverse (3601200236001), we get a palindrome (4607520257064).

The spelling of 1006320021063 in words is "one trillion, six billion, three hundred twenty million, twenty-one thousand, sixty-three".