1002563216 has 10 divisors (see below), whose sum is σ = 1942466262. Its totient is φ = 501281600.

The previous prime is 1002563213. The next prime is 1002563249. The reversal of 1002563216 is 6123652001.

1002563216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 948393616 + 54169600 = 30796^2 + 7360^2 .

It is not an unprimeable number, because it can be changed into a prime (1002563213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31330085 + ... + 31330116.

Almost surely, 2^1002563216 is an apocalyptic number.

1002563216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1002563216 is a deficient number, since it is larger than the sum of its proper divisors (939903046).

1002563216 is an equidigital number, since it uses as much as digits as its factorization.

1002563216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62660209 (or 62660203 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1002563216 is about 31663.2786678828. The cubic root of 1002563216 is about 1000.8536763626.

The spelling of 1002563216 in words is "one billion, two million, five hundred sixty-three thousand, two hundred sixteen".