163466320 has 20 divisors (see below), whose sum is σ = 380059380. Its totient is φ = 65386496.

The previous prime is 163466309. The next prime is 163466327. The reversal of 163466320 is 23664361.

It can be written as a sum of positive squares in 2 ways, for example, as 46566976 + 116899344 = 6824^2 + 10812^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163466327) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1021585 + ... + 1021744.

It is an arithmetic number, because the mean of its divisors is an integer number (19002969).

Almost surely, 2^163466320 is an apocalyptic number.

163466320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163466320 is an abundant number, since it is smaller than the sum of its proper divisors (216593060).

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

163466320 is a wasteful number, since it uses less digits than its factorization.

163466320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043342 (or 2043336 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 163466320 is about 12785.3947924966. The cubic root of 163466320 is about 546.7759811799.

The spelling of 163466320 in words is "one hundred sixty-three million, four hundred sixty-six thousand, three hundred twenty".