911225160 has 256 divisors, whose sum is σ = 3321907200. Its totient is φ = 221184000.

The previous prime is 911225141. The next prime is 911225167. The reversal of 911225160 is 61522119.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (911225167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 568360 + ... + 569960.

It is an arithmetic number, because the mean of its divisors is an integer number (12976200).

Almost surely, 2^911225160 is an apocalyptic number.

911225160 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 911225160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660953600).

911225160 is an abundant number, since it is smaller than the sum of its proper divisors (2410682040).

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

911225160 is a wasteful number, since it uses less digits than its factorization.

911225160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 911225160 is about 30186.5062569354. The cubic root of 911225160 is about 969.4868011902.

Adding to 911225160 its reverse (61522119), we get a palindrome (972747279).

The spelling of 911225160 in words is "nine hundred eleven million, two hundred twenty-five thousand, one hundred sixty".