663372003746 has 4 divisors (see below), whose sum is σ = 995058005622. Its totient is φ = 331686001872.

The previous prime is 663372003731. The next prime is 663372003757. The reversal of 663372003746 is 647300273366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 615815298121 + 47556705625 = 784739^2 + 218075^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 663372003746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165843000935 + ... + 165843000938.

Almost surely, 2^663372003746 is an apocalyptic number.

663372003746 is a deficient number, since it is larger than the sum of its proper divisors (331686001876).

663372003746 is a wasteful number, since it uses less digits than its factorization.

663372003746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331686001875.

The product of its (nonzero) digits is 2286144, while the sum is 47.

The spelling of 663372003746 in words is "six hundred sixty-three billion, three hundred seventy-two million, three thousand, seven hundred forty-six".