163314242540 has 12 divisors (see below), whose sum is σ = 342959909376. Its totient is φ = 65325697008.

The previous prime is 163314242513. The next prime is 163314242549. The reversal of 163314242540 is 45242413361.

It is a self number, because there is not a number n which added to its sum of digits gives 163314242540.

It is not an unprimeable number, because it can be changed into a prime (163314242549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4082856044 + ... + 4082856083.

It is an arithmetic number, because the mean of its divisors is an integer number (28579992448).

Almost surely, 2^163314242540 is an apocalyptic number.

163314242540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163314242540 is an abundant number, since it is smaller than the sum of its proper divisors (179645666836).

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

163314242540 is a wasteful number, since it uses less digits than its factorization.

163314242540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165712136 (or 8165712134 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 163314242540 in words is "one hundred sixty-three billion, three hundred fourteen million, two hundred forty-two thousand, five hundred forty".