5666153720864 has 192 divisors, whose sum is σ = 13933407559680. Its totient is φ = 2208316400640.

The previous prime is 5666153720839. The next prime is 5666153720879. The reversal of 5666153720864 is 4680273516665.

It is a super-4 number, since 4×5666153720864⁴ (a number of 52 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294198467 + ... + 294217725.

It is an arithmetic number, because the mean of its divisors is an integer number (72569831040).

Almost surely, 2^{5666153720864} 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 5666153720864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6966703779840).

5666153720864 is an abundant number, since it is smaller than the sum of its proper divisors (8267253838816).

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

5666153720864 is a wasteful number, since it uses less digits than its factorization.

5666153720864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20783 (or 20775 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 59.

The spelling of 5666153720864 in words is "five trillion, six hundred sixty-six billion, one hundred fifty-three million, seven hundred twenty thousand, eight hundred sixty-four".