168363140 has 24 divisors (see below), whose sum is σ = 385705152. Its totient is φ = 61222880.

The previous prime is 168363133. The next prime is 168363149. The reversal of 168363140 is 41363861.

It is a super-2 number, since 2×168363140² = 56692293821319200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168363097 and 168363106.

It is not an unprimeable number, because it can be changed into a prime (168363149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382424 + ... + 382863.

It is an arithmetic number, because the mean of its divisors is an integer number (16071048).

Almost surely, 2^168363140 is an apocalyptic number.

168363140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168363140 is an abundant number, since it is smaller than the sum of its proper divisors (217342012).

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

168363140 is a wasteful number, since it uses less digits than its factorization.

168363140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765307 (or 765305 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 168363140 is about 12975.4822646405. The cubic root of 168363140 is about 552.1821188967.

The spelling of 168363140 in words is "one hundred sixty-eight million, three hundred sixty-three thousand, one hundred forty".