163242324440 has 32 divisors (see below), whose sum is σ = 395548710480. Its totient is φ = 60274088832.

The previous prime is 163242324397. The next prime is 163242324451. The reversal of 163242324440 is 44423242361.

It is a self number, because there is not a number n which added to its sum of digits gives 163242324440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156963254 + ... + 156964293.

Almost surely, 2^163242324440 is an apocalyptic number.

163242324440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163242324440 is an abundant number, since it is smaller than the sum of its proper divisors (232306386040).

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

163242324440 is a wasteful number, since it uses less digits than its factorization.

163242324440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313927571 (or 313927567 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

The spelling of 163242324440 in words is "one hundred sixty-three billion, two hundred forty-two million, three hundred twenty-four thousand, four hundred forty".