4920145168 has 20 divisors (see below), whose sum is σ = 10093533660. Its totient is φ = 2315362304.

The previous prime is 4920145163. The next prime is 4920145213. The reversal of 4920145168 is 8615410294.

It can be written as a sum of positive squares in 2 ways, for example, as 4309659904 + 610485264 = 65648^2 + 24708^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4920145168.

It is not an unprimeable number, because it can be changed into a prime (4920145163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9044113 + ... + 9044656.

It is an arithmetic number, because the mean of its divisors is an integer number (504676683).

Almost surely, 2^4920145168 is an apocalyptic number.

It is an amenable number.

4920145168 is an abundant number, since it is smaller than the sum of its proper divisors (5173388492).

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

4920145168 is a wasteful number, since it uses less digits than its factorization.

4920145168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18088794 (or 18088788 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 4920145168 is about 70143.7464639579. The cubic root of 4920145168 is about 1700.8237262934.

The spelling of 4920145168 in words is "four billion, nine hundred twenty million, one hundred forty-five thousand, one hundred sixty-eight".