5999166720 has 288 divisors, whose sum is σ = 22543194240. Its totient is φ = 1505525760.

The previous prime is 5999166713. The next prime is 5999166757. The reversal of 5999166720 is 276619995.

It is a tau number, because it is divible by the number of its divisors (288).

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 31 ways as a sum of consecutive naturals, for example, 582415 + ... + 592625.

It is an arithmetic number, because the mean of its divisors is an integer number (78274980).

Almost surely, 2^5999166720 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 5999166720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11271597120).

5999166720 is an abundant number, since it is smaller than the sum of its proper divisors (16544027520).

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

5999166720 is a wasteful number, since it uses less digits than its factorization.

5999166720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258 (or 10238 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 5999166720 is about 77454.2879381122. The cubic root of 5999166720 is about 1817.0364683683.

The spelling of 5999166720 in words is "five billion, nine hundred ninety-nine million, one hundred sixty-six thousand, seven hundred twenty".