7163306280 has 320 divisors, whose sum is σ = 27296438400. Its totient is φ = 1670284800.

The previous prime is 7163306263. The next prime is 7163306287. The reversal of 7163306280 is 826033617.

It is a happy number.

7163306280 is a `hidden beast` number, since 71 + 6 + 3 + 306 + 280 = 666.

It is a super-2 number, since 2×7163306280² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7163306287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 795805 + ... + 804755.

It is an arithmetic number, because the mean of its divisors is an integer number (85301370).

Almost surely, 2^7163306280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7163306280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13648219200).

7163306280 is an abundant number, since it is smaller than the sum of its proper divisors (20133132120).

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

7163306280 is a wasteful number, since it uses less digits than its factorization.

7163306280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006 (or 8993 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7163306280 is about 84636.3177365367. The cubic root of 7163306280 is about 1927.6928662860.

Adding to 7163306280 its reverse (826033617), we get a palindrome (7989339897).

The spelling of 7163306280 in words is "seven billion, one hundred sixty-three million, three hundred six thousand, two hundred eighty".