1663713344 has 28 divisors (see below), whose sum is σ = 3378214224. Its totient is φ = 812509824.

The previous prime is 1663713323. The next prime is 1663713367. The reversal of 1663713344 is 4433173661.

It is a junction number, because it is equal to n+sod(n) for n = 1663713298 and 1663713307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299522 + ... + 305025.

It is an arithmetic number, because the mean of its divisors is an integer number (120650508).

Almost surely, 2^1663713344 is an apocalyptic number.

It is an amenable number.

1663713344 is an abundant number, since it is smaller than the sum of its proper divisors (1714500880).

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

1663713344 is an equidigital number, since it uses as much as digits as its factorization.

1663713344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604602 (or 604592 counting only the distinct ones).

The product of its digits is 108864, while the sum is 38.

The square root of 1663713344 is about 40788.6423407301. The cubic root of 1663713344 is about 1184.9303771993.

The spelling of 1663713344 in words is "one billion, six hundred sixty-three million, seven hundred thirteen thousand, three hundred forty-four".