163008509408 has 192 divisors, whose sum is σ = 358053696000. Its totient is φ = 72704231424.

The previous prime is 163008509383. The next prime is 163008509437. The reversal of 163008509408 is 804905800361.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 349054391 + ... + 349054857.

It is an arithmetic number, because the mean of its divisors is an integer number (1864863000).

Almost surely, 2^163008509408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163008509408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179026848000).

163008509408 is an abundant number, since it is smaller than the sum of its proper divisors (195045186592).

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

163008509408 is a wasteful number, since it uses less digits than its factorization.

163008509408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 163008509408 in words is "one hundred sixty-three billion, eight million, five hundred nine thousand, four hundred eight".