163164816 has 60 divisors (see below), whose sum is σ = 463095360. Its totient is φ = 53618880.

The previous prime is 163164797. The next prime is 163164847. The reversal of 163164816 is 618461361.

163164816 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 648 + 1 + 6 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2245 + ... + 18203.

It is an arithmetic number, because the mean of its divisors is an integer number (7718256).

Almost surely, 2^163164816 is an apocalyptic number.

163164816 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 163164816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231547680).

163164816 is an abundant number, since it is smaller than the sum of its proper divisors (299930544).

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

163164816 is a wasteful number, since it uses less digits than its factorization.

163164816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16044 (or 16035 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 163164816 is about 12773.5983966931. The cubic root of 163164816 is about 546.4396089237.

The spelling of 163164816 in words is "one hundred sixty-three million, one hundred sixty-four thousand, eight hundred sixteen".