663446341 has 8 divisors (see below), whose sum is σ = 672499520. Its totient is φ = 654438528.

The previous prime is 663446323. The next prime is 663446347. The reversal of 663446341 is 143644366.

663446341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 663446341 - 2⁹ = 663445829 is a prime.

It is a super-2 number, since 2×663446341² = 880322094772576562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 663446341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663446347) 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, 18640 + ... + 40918.

It is an arithmetic number, because the mean of its divisors is an integer number (84062440).

Almost surely, 2^663446341 is an apocalyptic number.

It is an amenable number.

663446341 is a deficient number, since it is larger than the sum of its proper divisors (9053179).

663446341 is a wasteful number, since it uses less digits than its factorization.

663446341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22683.

The product of its digits is 124416, while the sum is 37.

The square root of 663446341 is about 25757.4521449619. The cubic root of 663446341 is about 872.1715869764.

It can be divided in two parts, 6634 and 46341, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 663446341 in words is "six hundred sixty-three million, four hundred forty-six thousand, three hundred forty-one".