163799239488 has 56 divisors (see below), whose sum is σ = 433417187520. Its totient is φ = 54595752960.

The previous prime is 163799239481. The next prime is 163799239543. The reversal of 163799239488 is 884932997361.

It is a super-5 number, since 5×163799239488⁵ (a number of 57 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163799239481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3863268 + ... + 3905436.

Almost surely, 2^163799239488 is an apocalyptic number.

It is an amenable number.

163799239488 is an abundant number, since it is smaller than the sum of its proper divisors (269617948032).

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

163799239488 is a wasteful number, since it uses less digits than its factorization.

163799239488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62415 (or 62405 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 69.

The spelling of 163799239488 in words is "one hundred sixty-three billion, seven hundred ninety-nine million, two hundred thirty-nine thousand, four hundred eighty-eight".