6451732652064 has 192 divisors, whose sum is σ = 19569571467264. Its totient is φ = 1822984160256.

The previous prime is 6451732652047. The next prime is 6451732652087. The reversal of 6451732652064 is 4602562371546.

It is a junction number, because it is equal to n+sod(n) for n = 6451732651998 and 6451732652016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51364762 + ... + 51490214.

It is an arithmetic number, because the mean of its divisors is an integer number (101924851392).

Almost surely, 2^{6451732652064} 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 6451732652064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9784785733632).

6451732652064 is an abundant number, since it is smaller than the sum of its proper divisors (13117838815200).

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

6451732652064 is a wasteful number, since it uses less digits than its factorization.

6451732652064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126319 (or 126311 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 6451732652064 in words is "six trillion, four hundred fifty-one billion, seven hundred thirty-two million, six hundred fifty-two thousand, sixty-four".