244163660520 has 64 divisors (see below), whose sum is σ = 788836446720. Its totient is φ = 60101823744.

The previous prime is 244163660387. The next prime is 244163660551. The reversal of 244163660520 is 25066361442.

244163660520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 78256024 + ... + 78259143.

It is an arithmetic number, because the mean of its divisors is an integer number (12325569480).

Almost surely, 2^244163660520 is an apocalyptic number.

244163660520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244163660520 is an abundant number, since it is smaller than the sum of its proper divisors (544672786200).

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

244163660520 is a wasteful number, since it uses less digits than its factorization.

244163660520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156515194 (or 156515190 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 244163660520 in words is "two hundred forty-four billion, one hundred sixty-three million, six hundred sixty thousand, five hundred twenty".