5245164166320 has 240 divisors, whose sum is σ = 19026312675552. Its totient is φ = 1287285350400.

The previous prime is 5245164166289. The next prime is 5245164166331. The reversal of 5245164166320 is 236614615425.

5245164166320 is a `hidden beast` number, since 5 + 2 + 4 + 5 + 1 + 6 + 4 + 1 + 6 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 2322895 + ... + 3985745.

Almost surely, 2^{5245164166320} 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 5245164166320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9513156337776).

5245164166320 is an abundant number, since it is smaller than the sum of its proper divisors (13781148509232).

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

5245164166320 is a wasteful number, since it uses less digits than its factorization.

5245164166320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663220 (or 1663211 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 5245164166320 in words is "five trillion, two hundred forty-five billion, one hundred sixty-four million, one hundred sixty-six thousand, three hundred twenty".