163489488750 has 480 divisors, whose sum is σ = 555595552512. Its totient is φ = 35163072000.

The previous prime is 163489488749. The next prime is 163489488763. The reversal of 163489488750 is 57884984361.

163489488750 is a `hidden beast` number, since 1 + 6 + 3 + 4 + 89 + 488 + 75 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 36143989 + ... + 36148511.

Almost surely, 2^163489488750 is an apocalyptic number.

163489488750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 163489488750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277797776256).

163489488750 is an abundant number, since it is smaller than the sum of its proper divisors (392106063762).

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

163489488750 is an equidigital number, since it uses as much as digits as its factorization.

163489488750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584 (or 4557 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 163489488750 in words is "one hundred sixty-three billion, four hundred eighty-nine million, four hundred eighty-eight thousand, seven hundred fifty".