64849583068056 has 128 divisors (see below), whose sum is σ = 184486878048000. Its totient is φ = 21095502188544.

The previous prime is 64849583068033. The next prime is 64849583068057. The reversal of 64849583068056 is 65086038594846.

64849583068056 is a `hidden beast` number, since 6 + 4 + 8 + 495 + 8 + 3 + 0 + 6 + 80 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64849583068057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7681275 + ... + 13736853.

It is an arithmetic number, because the mean of its divisors is an integer number (1441303734750).

Almost surely, 2^{64849583068056} 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 64849583068056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92243439024000).

64849583068056 is an abundant number, since it is smaller than the sum of its proper divisors (119637294979944).

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

64849583068056 is a wasteful number, since it uses less digits than its factorization.

64849583068056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056790 (or 6056780 counting only the distinct ones).

The product of its (nonzero) digits is 1194393600, while the sum is 72.

The spelling of 64849583068056 in words is "sixty-four trillion, eight hundred forty-nine billion, five hundred eighty-three million, sixty-eight thousand, fifty-six".