916943680 has 112 divisors (see below), whose sum is σ = 2285853696. Its totient is φ = 349982720.

The previous prime is 916943659. The next prime is 916943707. The reversal of 916943680 is 86349619.

916943680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 916943680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615897 + ... + 617383.

It is an arithmetic number, because the mean of its divisors is an integer number (20409408).

Almost surely, 2^916943680 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 916943680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142926848).

916943680 is an abundant number, since it is smaller than the sum of its proper divisors (1368910016).

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

916943680 is a wasteful number, since it uses less digits than its factorization.

916943680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 916943680 is about 30281.0779200477. The cubic root of 916943680 is about 971.5106231566.

The spelling of 916943680 in words is "nine hundred sixteen million, nine hundred forty-three thousand, six hundred eighty".