163245223680 has 864 divisors, whose sum is σ = 667999084032. Its totient is φ = 33245921280.

The previous prime is 163245223651. The next prime is 163245223703. The reversal of 163245223680 is 86322542361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 172380967 + ... + 172381913.

It is an arithmetic number, because the mean of its divisors is an integer number (773147088).

Almost surely, 2^163245223680 is an apocalyptic number.

163245223680 is a gapful number since it is divisible by the number (10) 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 163245223680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333999542016).

163245223680 is an abundant number, since it is smaller than the sum of its proper divisors (504753860352).

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

163245223680 is a wasteful number, since it uses less digits than its factorization.

163245223680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 163245223680 in words is "one hundred sixty-three billion, two hundred forty-five million, two hundred twenty-three thousand, six hundred eighty".