663613343 has 8 divisors (see below), whose sum is σ = 703479168. Its totient is φ = 623839744.

The previous prime is 663613339. The next prime is 663613387. The reversal of 663613343 is 343316366.

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 663613343 - 2² = 663613339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663613333) 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, 7946 + ... + 37287.

It is an arithmetic number, because the mean of its divisors is an integer number (87934896).

Almost surely, 2^663613343 is an apocalyptic number.

663613343 is a deficient number, since it is larger than the sum of its proper divisors (39865825).

663613343 is a wasteful number, since it uses less digits than its factorization.

663613343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46113.

The product of its digits is 69984, while the sum is 35.

The square root of 663613343 is about 25760.6937600679. The cubic root of 663613343 is about 872.2447615352.

The spelling of 663613343 in words is "six hundred sixty-three million, six hundred thirteen thousand, three hundred forty-three".