651102560 has 96 divisors (see below), whose sum is σ = 1591283232. Its totient is φ = 251596800.

The previous prime is 651102553. The next prime is 651102563. The reversal of 651102560 is 65201156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651102563) by changing a digit.

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, 694412 + ... + 695348.

It is an arithmetic number, because the mean of its divisors is an integer number (16575867).

Almost surely, 2^651102560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651102560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795641616).

651102560 is an abundant number, since it is smaller than the sum of its proper divisors (940180672).

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

651102560 is a wasteful number, since it uses less digits than its factorization.

651102560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 651102560 is about 25516.7113868539. The cubic root of 651102560 is about 866.7286135866.

The spelling of 651102560 in words is "six hundred fifty-one million, one hundred two thousand, five hundred sixty".