64343898301716 has 240 divisors, whose sum is σ = 190476859668480. Its totient is φ = 18763758216000.

The previous prime is 64343898301703. The next prime is 64343898301729. The reversal of 64343898301716 is 61710389834346.

It is a happy number.

64343898301716 is a `hidden beast` number, since 6 + 4 + 3 + 4 + 389 + 83 + 0 + 171 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (64343898301703) and next prime (64343898301729).

It is a super-2 number, since 2×64343898301716² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18149871 + ... + 21403401.

It is an arithmetic number, because the mean of its divisors is an integer number (793653581952).

Almost surely, 2^{64343898301716} is an apocalyptic number.

64343898301716 is a gapful number since it is divisible by the number (66) 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 64343898301716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95238429834240).

64343898301716 is an abundant number, since it is smaller than the sum of its proper divisors (126132961366764).

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

64343898301716 is a wasteful number, since it uses less digits than its factorization.

64343898301716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253768 (or 3253757 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 64343898301716 in words is "sixty-four trillion, three hundred forty-three billion, eight hundred ninety-eight million, three hundred one thousand, seven hundred sixteen".