651129088 has 72 divisors (see below), whose sum is σ = 1376020800. Its totient is φ = 306653184.

The previous prime is 651129043. The next prime is 651129109. The reversal of 651129088 is 880921156.

It is a self number, because there is not a number n which added to its sum of digits gives 651129088.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1278978 + ... + 1279486.

It is an arithmetic number, because the mean of its divisors is an integer number (19111400).

Almost surely, 2^651129088 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 651129088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688010400).

651129088 is an abundant number, since it is smaller than the sum of its proper divisors (724891712).

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

651129088 is a wasteful number, since it uses less digits than its factorization.

651129088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 651129088 is about 25517.2311977612. The cubic root of 651129088 is about 866.7403845250.

The spelling of 651129088 in words is "six hundred fifty-one million, one hundred twenty-nine thousand, eighty-eight".