163843378050 has 96 divisors (see below), whose sum is σ = 443433921984. Its totient is φ = 39704992000.

The previous prime is 163843378033. The next prime is 163843378067. The reversal of 163843378050 is 50873348361.

It is an interprime number because it is at equal distance from previous prime (163843378033) and next prime (163843378067).

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 47 ways as a sum of consecutive naturals, for example, 4862260 + ... + 4895840.

It is an arithmetic number, because the mean of its divisors is an integer number (4619103354).

Almost surely, 2^163843378050 is an apocalyptic number.

163843378050 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 163843378050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221716960992).

163843378050 is an abundant number, since it is smaller than the sum of its proper divisors (279590543934).

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

163843378050 is a wasteful number, since it uses less digits than its factorization.

163843378050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36564 (or 36559 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 163843378050 in words is "one hundred sixty-three billion, eight hundred forty-three million, three hundred seventy-eight thousand, fifty".