663094562 has 8 divisors (see below), whose sum is σ = 1071152796. Its totient is φ = 306043632.

The previous prime is 663094507. The next prime is 663094591. The reversal of 663094562 is 265490366.

It can be written as a sum of positive squares in 2 ways, for example, as 642673201 + 20421361 = 25351^2 + 4519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12751793 + ... + 12751844.

Almost surely, 2^663094562 is an apocalyptic number.

663094562 is a deficient number, since it is larger than the sum of its proper divisors (408058234).

663094562 is a wasteful number, since it uses less digits than its factorization.

663094562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25503652.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 663094562 is about 25750.6225555811. The cubic root of 663094562 is about 872.0174092770.

The spelling of 663094562 in words is "six hundred sixty-three million, ninety-four thousand, five hundred sixty-two".