163323061364736 has 4608 divisors, whose sum is σ = 697479164928000. Its totient is φ = 36593926668288.

The previous prime is 163323061364711. The next prime is 163323061364779. The reversal of 163323061364736 is 637463160323361.

163323061364736 is a `hidden beast` number, since 1 + 6 + 3 + 3 + 2 + 30 + 6 + 136 + 473 + 6 = 666.

163323061364736 is digitally balanced in base 3, 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 (4608).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 383 ways as a sum of consecutive naturals, for example, 635498293120 + ... + 635498293376.

It is an arithmetic number, because the mean of its divisors is an integer number (151362666000).

Almost surely, 2^{163323061364736} is an apocalyptic number.

163323061364736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163323061364736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348739582464000).

163323061364736 is an abundant number, since it is smaller than the sum of its proper divisors (534156103563264).

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

163323061364736 is a wasteful number, since it uses less digits than its factorization.

163323061364736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 54.

The spelling of 163323061364736 in words is "one hundred sixty-three trillion, three hundred twenty-three billion, sixty-one million, three hundred sixty-four thousand, seven hundred thirty-six".