663001370 has 32 divisors (see below), whose sum is σ = 1208961936. Its totient is φ = 261760000.

The previous prime is 663001369. The next prime is 663001387. The reversal of 663001370 is 73100366.

It can be written as a sum of positive squares in 8 ways, for example, as 495997441 + 167003929 = 22271^2 + 12923^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404192 + ... + 405828.

Almost surely, 2^663001370 is an apocalyptic number.

663001370 is a deficient number, since it is larger than the sum of its proper divisors (545960566).

663001370 is a wasteful number, since it uses less digits than its factorization.

663001370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 663001370 is about 25748.8129823493. The cubic root of 663001370 is about 871.9765559516.

The spelling of 663001370 in words is "six hundred sixty-three million, one thousand, three hundred seventy".