651812448960 has 168 divisors, whose sum is σ = 2251841984496. Its totient is φ = 173050767360.

The previous prime is 651812448953. The next prime is 651812448983. The reversal of 651812448960 is 69844218156.

651812448960 is a `hidden beast` number, since 6 + 5 + 1 + 81 + 24 + 489 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 651812448897 and 651812448906.

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 23 ways as a sum of consecutive naturals, for example, 155250 + ... + 1152270.

Almost surely, 2^651812448960 is an apocalyptic number.

651812448960 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 651812448960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125920992248).

651812448960 is an abundant number, since it is smaller than the sum of its proper divisors (1600029535536).

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

651812448960 is a wasteful number, since it uses less digits than its factorization.

651812448960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997271 (or 997258 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 651812448960 in words is "six hundred fifty-one billion, eight hundred twelve million, four hundred forty-eight thousand, nine hundred sixty".