64851500741760 has 512 divisors, whose sum is σ = 243226088755200. Its totient is φ = 16274249220096.

The previous prime is 64851500741669. The next prime is 64851500741789. The reversal of 64851500741760 is 6714700515846.

64851500741760 is a `hidden beast` number, since 6 + 4 + 8 + 5 + 1 + 500 + 74 + 1 + 7 + 60 = 666.

64851500741760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 64851500741697 and 64851500741706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3882617569 + ... + 3882634271.

It is an arithmetic number, because the mean of its divisors is an integer number (475050954600).

Almost surely, 2^{64851500741760} is an apocalyptic number.

64851500741760 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 64851500741760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121613044377600).

64851500741760 is an abundant number, since it is smaller than the sum of its proper divisors (178374588013440).

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

64851500741760 is a wasteful number, since it uses less digits than its factorization.

64851500741760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29965 (or 29947 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 64851500741760 in words is "sixty-four trillion, eight hundred fifty-one billion, five hundred million, seven hundred forty-one thousand, seven hundred sixty".