68163300 has 108 divisors (see below), whose sum is σ = 217837620. Its totient is φ = 17821440.

The previous prime is 68163281. The next prime is 68163307. The reversal of 68163300 is 336186.

It can be written as a sum of positive squares in 6 ways, for example, as 5531904 + 62631396 = 2352^2 + 7914^2 .

It is not an unprimeable number, because it can be changed into a prime (68163307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46986 + ... + 48414.

It is an arithmetic number, because the mean of its divisors is an integer number (2017015).

Almost surely, 2^68163300 is an apocalyptic number.

68163300 is a gapful number since it is divisible by the number (60) 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 68163300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108918810).

68163300 is an abundant number, since it is smaller than the sum of its proper divisors (149674320).

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

68163300 is a wasteful number, since it uses less digits than its factorization.

68163300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 68163300 is about 8256.1068307042. The cubic root of 68163300 is about 408.4919814833.

Adding to 68163300 its reverse (336186), we get a palindrome (68499486).

The spelling of 68163300 in words is "sixty-eight million, one hundred sixty-three thousand, three hundred".