1663283343 has 8 divisors (see below), whose sum is σ = 2217926448. Its totient is φ = 1108747904.

The previous prime is 1663283317. The next prime is 1663283357. The reversal of 1663283343 is 3433823661.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1663283343 - 2⁸ = 1663283087 is a prime.

It is a super-3 number, since 3×1663283343³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663283443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21655 + ... + 61607.

It is an arithmetic number, because the mean of its divisors is an integer number (277240806).

Almost surely, 2^1663283343 is an apocalyptic number.

1663283343 is a deficient number, since it is larger than the sum of its proper divisors (554643105).

1663283343 is a wasteful number, since it uses less digits than its factorization.

1663283343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53833.

The product of its digits is 186624, while the sum is 39.

The square root of 1663283343 is about 40783.3709126649. The cubic root of 1663283343 is about 1184.8282832595.

The spelling of 1663283343 in words is "one billion, six hundred sixty-three million, two hundred eighty-three thousand, three hundred forty-three".