651466873260 has 576 divisors, whose sum is σ = 2480618649600. Its totient is φ = 134937944064.

The previous prime is 651466873181. The next prime is 651466873261. The reversal of 651466873260 is 62378664156.

651466873260 is a `hidden beast` number, since 6 + 51 + 466 + 8 + 73 + 2 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 651466873197 and 651466873206.

It is not an unprimeable number, because it can be changed into a prime (651466873261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 260273169 + ... + 260275671.

It is an arithmetic number, because the mean of its divisors is an integer number (4306629600).

Almost surely, 2^651466873260 is an apocalyptic number.

651466873260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651466873260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240309324800).

651466873260 is an abundant number, since it is smaller than the sum of its proper divisors (1829151776340).

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

651466873260 is a wasteful number, since it uses less digits than its factorization.

651466873260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 651466873260 in words is "six hundred fifty-one billion, four hundred sixty-six million, eight hundred seventy-three thousand, two hundred sixty".