663517364 has 6 divisors (see below), whose sum is σ = 1161155394. Its totient is φ = 331758680.

The previous prime is 663517357. The next prime is 663517369. The reversal of 663517364 is 463715366.

663517364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 499164964 + 164352400 = 22342^2 + 12820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663517369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82939667 + ... + 82939674.

It is an arithmetic number, because the mean of its divisors is an integer number (193525899).

Almost surely, 2^663517364 is an apocalyptic number.

It is an amenable number.

663517364 is a deficient number, since it is larger than the sum of its proper divisors (497638030).

663517364 is a wasteful number, since it uses less digits than its factorization.

663517364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165879345 (or 165879343 counting only the distinct ones).

The product of its digits is 272160, while the sum is 41.

The square root of 663517364 is about 25758.8307964473. The cubic root of 663517364 is about 872.2027083239.

The spelling of 663517364 in words is "six hundred sixty-three million, five hundred seventeen thousand, three hundred sixty-four".