1563349216 has 48 divisors (see below), whose sum is σ = 3615938928. Its totient is φ = 655948800.

The previous prime is 1563349201. The next prime is 1563349219. The reversal of 1563349216 is 6129433651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563349219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166245 + ... + 175396.

It is an arithmetic number, because the mean of its divisors is an integer number (75332061).

Almost surely, 2^1563349216 is an apocalyptic number.

1563349216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1563349216 is an abundant number, since it is smaller than the sum of its proper divisors (2052589712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1563349216 is a wasteful number, since it uses less digits than its factorization.

1563349216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341675 (or 341667 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 1563349216 is about 39539.2111201020. The cubic root of 1563349216 is about 1160.6073949426.

The spelling of 1563349216 in words is "one billion, five hundred sixty-three million, three hundred forty-nine thousand, two hundred sixteen".