163109376 has 280 divisors, whose sum is σ = 536706720. Its totient is φ = 49268736.

The previous prime is 163109371. The next prime is 163109377. The reversal of 163109376 is 673901361.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 163109376.

It is not an unprimeable number, because it can be changed into a prime (163109371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7091701 + ... + 7091723.

Almost surely, 2^163109376 is an apocalyptic number.

163109376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163109376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268353360).

163109376 is an abundant number, since it is smaller than the sum of its proper divisors (373597344).

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

163109376 is an frugal number, since it uses more digits than its factorization.

163109376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 163109376 is about 12771.4281112176. The cubic root of 163109376 is about 546.3777123203.

The spelling of 163109376 in words is "one hundred sixty-three million, one hundred nine thousand, three hundred seventy-six".