663574004 has 6 divisors (see below), whose sum is σ = 1161254514. Its totient is φ = 331787000.

The previous prime is 663574001. The next prime is 663574013. The reversal of 663574004 is 400475366.

It can be written as a sum of positive squares in only one way, i.e., 445125604 + 218448400 = 21098^2 + 14780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663574001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82946747 + ... + 82946754.

It is an arithmetic number, because the mean of its divisors is an integer number (193542419).

Almost surely, 2^663574004 is an apocalyptic number.

It is an amenable number.

663574004 is a deficient number, since it is larger than the sum of its proper divisors (497680510).

663574004 is a wasteful number, since it uses less digits than its factorization.

663574004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165893505 (or 165893503 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 663574004 is about 25759.9302017688. The cubic root of 663574004 is about 872.2275256376.

The spelling of 663574004 in words is "six hundred sixty-three million, five hundred seventy-four thousand, four".