163240014 has 64 divisors (see below), whose sum is σ = 388362240. Its totient is φ = 44755200.

The previous prime is 163240009. The next prime is 163240019. The reversal of 163240014 is 410042361.

It is an interprime number because it is at equal distance from previous prime (163240009) and next prime (163240019).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163240019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271314 + ... + 271914.

It is an arithmetic number, because the mean of its divisors is an integer number (6068160).

Almost surely, 2^163240014 is an apocalyptic number.

163240014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 163240014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194181120).

163240014 is an abundant number, since it is smaller than the sum of its proper divisors (225122226).

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

163240014 is a wasteful number, since it uses less digits than its factorization.

163240014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 163240014 is about 12776.5415508267. The cubic root of 163240014 is about 546.5235421632.

Adding to 163240014 its reverse (410042361), we get a palindrome (573282375).

The spelling of 163240014 in words is "one hundred sixty-three million, two hundred forty thousand, fourteen".