163897348608 has 240 divisors, whose sum is σ = 544863221760. Its totient is φ = 46457929728.

The previous prime is 163897348597. The next prime is 163897348609. The reversal of 163897348608 is 806843798361.

163897348608 is a `hidden beast` number, since 1 + 6 + 3 + 89 + 73 + 486 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (163897348609) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4076508 + ... + 4116516.

It is an arithmetic number, because the mean of its divisors is an integer number (2270263424).

Almost surely, 2^163897348608 is an apocalyptic number.

163897348608 is a gapful number since it is divisible by the number (18) 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 163897348608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272431610880).

163897348608 is an abundant number, since it is smaller than the sum of its proper divisors (380965873152).

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

163897348608 is a wasteful number, since it uses less digits than its factorization.

163897348608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40167 (or 40148 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 163897348608 in words is "one hundred sixty-three billion, eight hundred ninety-seven million, three hundred forty-eight thousand, six hundred eight".