64348276608 has 320 divisors, whose sum is σ = 238755496320. Its totient is φ = 16713630720.

The previous prime is 64348276537. The next prime is 64348276667. The reversal of 64348276608 is 80667284346.

64348276608 is a `hidden beast` number, since 6 + 4 + 3 + 4 + 8 + 27 + 6 + 608 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 758035 + ... + 838637.

It is an arithmetic number, because the mean of its divisors is an integer number (746110926).

Almost surely, 2^64348276608 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 64348276608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119377748160).

64348276608 is an abundant number, since it is smaller than the sum of its proper divisors (174407219712).

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

64348276608 is a wasteful number, since it uses less digits than its factorization.

64348276608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80647 (or 80626 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 64348276608 in words is "sixty-four billion, three hundred forty-eight million, two hundred seventy-six thousand, six hundred eight".