9168866280 has 864 divisors, whose sum is σ = 38771965440. Its totient is φ = 1939956480.

The previous prime is 9168866237. The next prime is 9168866293. The reversal of 9168866280 is 826688619.

It is a happy number.

9168866280 is a `hidden beast` number, since 9 + 1 + 6 + 8 + 8 + 6 + 628 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 295769865 + ... + 295769895.

It is an arithmetic number, because the mean of its divisors is an integer number (44874960).

Almost surely, 2^9168866280 is an apocalyptic number.

9168866280 is a gapful number since it is divisible by the number (90) 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 9168866280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19385982720).

9168866280 is an abundant number, since it is smaller than the sum of its proper divisors (29603099160).

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

9168866280 is a wasteful number, since it uses less digits than its factorization.

9168866280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 9168866280 is about 95754.1971926035. The cubic root of 9168866280 is about 2093.0127775568.

The spelling of 9168866280 in words is "nine billion, one hundred sixty-eight million, eight hundred sixty-six thousand, two hundred eighty".