1663013219 has 24 divisors (see below), whose sum is σ = 2046800928. Its totient is φ = 1323095040.

The previous prime is 1663013213. The next prime is 1663013239. The reversal of 1663013219 is 9123103661.

It is not a de Polignac number, because 1663013219 - 2¹² = 1663009123 is a prime.

It is a super-2 number, since 2×1663013219² = 5531225933137483922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1663013213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142049 + ... + 153309.

It is an arithmetic number, because the mean of its divisors is an integer number (85283372).

Almost surely, 2^1663013219 is an apocalyptic number.

1663013219 is a deficient number, since it is larger than the sum of its proper divisors (383787709).

1663013219 is a wasteful number, since it uses less digits than its factorization.

1663013219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375 (or 11358 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1663013219 is about 40780.0590852931. The cubic root of 1663013219 is about 1184.7641394714.

The spelling of 1663013219 in words is "one billion, six hundred sixty-three million, thirteen thousand, two hundred nineteen".