1663884314 has 8 divisors (see below), whose sum is σ = 2496138228. Its totient is φ = 831838240.

The previous prime is 1663884259. The next prime is 1663884323. The reversal of 1663884314 is 4134883661.

It can be written as a sum of positive squares in 2 ways, for example, as 1662600625 + 1283689 = 40775^2 + 1133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1663884314² = 5537022020750501192, which contains 22 as substring.

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, 30107 + ... + 65070.

Almost surely, 2^1663884314 is an apocalyptic number.

1663884314 is a deficient number, since it is larger than the sum of its proper divisors (832253914).

1663884314 is an equidigital number, since it uses as much as digits as its factorization.

1663884314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103920.

The product of its digits is 331776, while the sum is 44.

The square root of 1663884314 is about 40790.7380908951. The cubic root of 1663884314 is about 1184.9709652425.

The spelling of 1663884314 in words is "one billion, six hundred sixty-three million, eight hundred eighty-four thousand, three hundred fourteen".