653964016 has 40 divisors (see below), whose sum is σ = 1297131264. Its totient is φ = 319254720.

The previous prime is 653964001. The next prime is 653964029. The reversal of 653964016 is 610469356.

It is a self number, because there is not a number n which added to its sum of digits gives 653964016.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 428631 + ... + 430153.

Almost surely, 2^653964016 is an apocalyptic number.

It is an amenable number.

653964016 is a deficient number, since it is larger than the sum of its proper divisors (643167248).

653964016 is a wasteful number, since it uses less digits than its factorization.

653964016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 653964016 is about 25572.7201525375. The cubic root of 653964016 is about 867.9964535097.

It can be divided in two parts, 65 and 3964016, that added together give a square (3964081 = 1991²).

The spelling of 653964016 in words is "six hundred fifty-three million, nine hundred sixty-four thousand, sixteen".