163321463724 has 12 divisors (see below), whose sum is σ = 381083415384. Its totient is φ = 54440487904.

The previous prime is 163321463707. The next prime is 163321463731. The reversal of 163321463724 is 427364123361.

It is a happy number.

163321463724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 6805060977 + ... + 6805061000.

It is an arithmetic number, because the mean of its divisors is an integer number (31756951282).

Almost surely, 2^163321463724 is an apocalyptic number.

It is an amenable number.

163321463724 is an abundant number, since it is smaller than the sum of its proper divisors (217761951660).

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

163321463724 is a wasteful number, since it uses less digits than its factorization.

163321463724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13610121984 (or 13610121982 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The spelling of 163321463724 in words is "one hundred sixty-three billion, three hundred twenty-one million, four hundred sixty-three thousand, seven hundred twenty-four".