64098545616 has 480 divisors, whose sum is σ = 226713168000. Its totient is φ = 17240573952.

The previous prime is 64098545579. The next prime is 64098545669. The reversal of 64098545616 is 61654589046.

64098545616 is a `hidden beast` number, since 6 + 4 + 0 + 98 + 545 + 6 + 1 + 6 = 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79231420 + ... + 79232228.

It is an arithmetic number, because the mean of its divisors is an integer number (472319100).

Almost surely, 2^64098545616 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 64098545616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113356584000).

64098545616 is an abundant number, since it is smaller than the sum of its proper divisors (162614622384).

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

64098545616 is a wasteful number, since it uses less digits than its factorization.

64098545616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 64098545616 in words is "sixty-four billion, ninety-eight million, five hundred forty-five thousand, six hundred sixteen".