651937462848 has 672 divisors, whose sum is σ = 2246281390080. Its totient is φ = 176929505280.

The previous prime is 651937462837. The next prime is 651937462867. The reversal of 651937462848 is 848264739156.

651937462848 is a `hidden beast` number, since 6 + 5 + 1 + 93 + 7 + 462 + 84 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×651937462848² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1074031761 + ... + 1074032367.

It is an arithmetic number, because the mean of its divisors is an integer number (3342680640).

Almost surely, 2^651937462848 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 651937462848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123140695040).

651937462848 is an abundant number, since it is smaller than the sum of its proper divisors (1594343927232).

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

651937462848 is a wasteful number, since it uses less digits than its factorization.

651937462848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 822 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 651937462848 in words is "six hundred fifty-one billion, nine hundred thirty-seven million, four hundred sixty-two thousand, eight hundred forty-eight".