916228260 has 360 divisors, whose sum is σ = 3245161920. Its totient is φ = 215737344.

The previous prime is 916228231. The next prime is 916228273. The reversal of 916228260 is 62822619.

It is a happy number.

916228260 is a `hidden beast` number, since 9 + 1 + 622 + 8 + 26 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 8895369 + ... + 8895471.

Almost surely, 2^916228260 is an apocalyptic number.

916228260 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 916228260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622580960).

916228260 is an abundant number, since it is smaller than the sum of its proper divisors (2328933660).

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

916228260 is a wasteful number, since it uses less digits than its factorization.

916228260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 916228260 is about 30269.2626272924. The cubic root of 916228260 is about 971.2578926328.

The spelling of 916228260 in words is "nine hundred sixteen million, two hundred twenty-eight thousand, two hundred sixty".