1663713316 has 6 divisors (see below), whose sum is σ = 2911498310. Its totient is φ = 831856656.

The previous prime is 1663713287. The next prime is 1663713323. The reversal of 1663713316 is 6133173661.

It can be written as a sum of positive squares in only one way, i.e., 862596900 + 801116416 = 29370^2 + 28304^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207964161 + ... + 207964168.

Almost surely, 2^1663713316 is an apocalyptic number.

It is an amenable number.

1663713316 is a deficient number, since it is larger than the sum of its proper divisors (1247784994).

1663713316 is a wasteful number, since it uses less digits than its factorization.

1663713316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415928333 (or 415928331 counting only the distinct ones).

The product of its digits is 40824, while the sum is 37.

The square root of 1663713316 is about 40788.6419974973. The cubic root of 1663713316 is about 1184.9303705519.

Adding to 1663713316 its reverse (6133173661), we get a palindrome (7796886977).

The spelling of 1663713316 in words is "one billion, six hundred sixty-three million, seven hundred thirteen thousand, three hundred sixteen".