651545545160 has 64 divisors (see below), whose sum is σ = 1511678851200. Its totient is φ = 252577728000.

The previous prime is 651545545159. The next prime is 651545545229. The reversal of 651545545160 is 61545545156.

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 15 ways as a sum of consecutive naturals, for example, 1067870 + ... + 1563149.

It is an arithmetic number, because the mean of its divisors is an integer number (23619982050).

Almost surely, 2^651545545160 is an apocalyptic number.

It is an amenable number.

651545545160 is an abundant number, since it is smaller than the sum of its proper divisors (860133306040).

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

651545545160 is a wasteful number, since it uses less digits than its factorization.

651545545160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631222 (or 2631218 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 47.

The spelling of 651545545160 in words is "six hundred fifty-one billion, five hundred forty-five million, five hundred forty-five thousand, one hundred sixty".