651016604736 has 63 divisors (see below), whose sum is σ = 1866077059431. Its totient is φ = 216999080064.

The previous prime is 651016604723. The next prime is 651016604743. The reversal of 651016604736 is 637406610156.

The square root of 651016604736 is 806856.

It is a perfect power (a square), and thus also a powerful number.

651016604736 is a `hidden beast` number, since 6 + 5 + 1 + 0 + 1 + 6 + 604 + 7 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 651016604691 and 651016604700.

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 8 ways as a sum of consecutive naturals, for example, 19347735 + ... + 19381353.

Almost surely, 2^651016604736 is an apocalyptic number.

651016604736 is the 806856-th square number.

It is an amenable number.

651016604736 is an abundant number, since it is smaller than the sum of its proper divisors (1215060454695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651016604736 is an frugal number, since it uses more digits than its factorization.

651016604736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67256 (or 33624 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 651016604736 in words is "six hundred fifty-one billion, sixteen million, six hundred four thousand, seven hundred thirty-six".