663382357 has 4 divisors (see below), whose sum is σ = 723689856. Its totient is φ = 603074860.

The previous prime is 663382327. The next prime is 663382387. The reversal of 663382357 is 753283366.

663382357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (663382327) and next prime (663382387).

It is a cyclic number.

It is not a de Polignac number, because 663382357 - 2⁷ = 663382229 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 (663382327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30153733 + ... + 30153754.

It is an arithmetic number, because the mean of its divisors is an integer number (180922464).

Almost surely, 2^663382357 is an apocalyptic number.

It is an amenable number.

663382357 is a deficient number, since it is larger than the sum of its proper divisors (60307499).

663382357 is a wasteful number, since it uses less digits than its factorization.

663382357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60307498.

The product of its digits is 544320, while the sum is 43.

The square root of 663382357 is about 25756.2100667004. The cubic root of 663382357 is about 872.1435481246.

The spelling of 663382357 in words is "six hundred sixty-three million, three hundred eighty-two thousand, three hundred fifty-seven".