64799730117360 has 960 divisors, whose sum is σ = 273282808780800. Its totient is φ = 13416687009792.

The previous prime is 64799730117349. The next prime is 64799730117389. The reversal of 64799730117360 is 6371103799746.

64799730117360 is a `hidden beast` number, since 6 + 4 + 7 + 99 + 73 + 0 + 117 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9710730984 + ... + 9710737656.

It is an arithmetic number, because the mean of its divisors is an integer number (284669592480).

Almost surely, 2^{64799730117360} is an apocalyptic number.

64799730117360 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 64799730117360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136641404390400).

64799730117360 is an abundant number, since it is smaller than the sum of its proper divisors (208483078663440).

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

64799730117360 is a wasteful number, since it uses less digits than its factorization.

64799730117360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11150 (or 11141 counting only the distinct ones).

The product of its (nonzero) digits is 36006768, while the sum is 63.

The spelling of 64799730117360 in words is "sixty-four trillion, seven hundred ninety-nine billion, seven hundred thirty million, one hundred seventeen thousand, three hundred sixty".