163397159744 has 336 divisors, whose sum is σ = 426965107968. Its totient is φ = 60402696192.

The previous prime is 163397159729. The next prime is 163397159777. The reversal of 163397159744 is 447951793361.

Its product of digits (17146080) is a multiple of the sum of its prime divisors (735).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324844997 + ... + 324845499.

It is an arithmetic number, because the mean of its divisors is an integer number (1270729488).

Almost surely, 2^163397159744 is an apocalyptic number.

163397159744 is a gapful number since it is divisible by the number (14) 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 163397159744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213482553984).

163397159744 is an abundant number, since it is smaller than the sum of its proper divisors (263567948224).

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

163397159744 is a wasteful number, since it uses less digits than its factorization.

163397159744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 735 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 59.

The spelling of 163397159744 in words is "one hundred sixty-three billion, three hundred ninety-seven million, one hundred fifty-nine thousand, seven hundred forty-four".