163161600 has 240 divisors, whose sum is σ = 617008128. Its totient is φ = 37232640.

The previous prime is 163161589. The next prime is 163161611. The reversal of 163161600 is 6161361.

It is an interprime number because it is at equal distance from previous prime (163161589) and next prime (163161611).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 268497 + ... + 269103.

Almost surely, 2^163161600 is an apocalyptic number.

163161600 is a gapful number since it is divisible by the number (10) 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 163161600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308504064).

163161600 is an abundant number, since it is smaller than the sum of its proper divisors (453846528).

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

163161600 is an equidigital number, since it uses as much as digits as its factorization.

163161600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 163161600 is about 12773.4725114199. The cubic root of 163161600 is about 546.4360187679.

The spelling of 163161600 in words is "one hundred sixty-three million, one hundred sixty-one thousand, six hundred".