163850996190 has 128 divisors (see below), whose sum is σ = 459610122240. Its totient is φ = 36607753728.

The previous prime is 163850996189. The next prime is 163850996209. The reversal of 163850996190 is 91699058361.

163850996190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163850996190² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163850996190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2966607 + ... + 3021333.

It is an arithmetic number, because the mean of its divisors is an integer number (3590704080).

Almost surely, 2^163850996190 is an apocalyptic number.

163850996190 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 163850996190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229805061120).

163850996190 is an abundant number, since it is smaller than the sum of its proper divisors (295759126050).

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

163850996190 is a wasteful number, since it uses less digits than its factorization.

163850996190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55066.

The product of its (nonzero) digits is 3149280, while the sum is 57.

The spelling of 163850996190 in words is "one hundred sixty-three billion, eight hundred fifty million, nine hundred ninety-six thousand, one hundred ninety".