663464367 has 12 divisors (see below), whose sum is σ = 958777560. Its totient is φ = 442106448.

The previous prime is 663464359. The next prime is 663464377. The reversal of 663464367 is 763464366.

663464367 is a `hidden beast` number, since 6 + 634 + 6 + 4 + 3 + 6 + 7 = 666.

It is not a de Polignac number, because 663464367 - 2³ = 663464359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663464377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5293 + ... + 36809.

It is an arithmetic number, because the mean of its divisors is an integer number (79898130).

Almost surely, 2^663464367 is an apocalyptic number.

663464367 is a deficient number, since it is larger than the sum of its proper divisors (295313193).

663464367 is a wasteful number, since it uses less digits than its factorization.

663464367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33862 (or 33859 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 45.

The square root of 663464367 is about 25757.8020607349. The cubic root of 663464367 is about 872.1794859436.

Subtracting 663464367 from its reverse (763464366), we obtain a palindrome (99999999).

The spelling of 663464367 in words is "six hundred sixty-three million, four hundred sixty-four thousand, three hundred sixty-seven".