860116320 has 480 divisors, whose sum is σ = 3659040000. Its totient is φ = 185877504.

The previous prime is 860116291. The next prime is 860116321. The reversal of 860116320 is 23611068.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860116321) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1723431 + ... + 1723929.

It is an arithmetic number, because the mean of its divisors is an integer number (7623000).

Almost surely, 2^860116320 is an apocalyptic number.

860116320 is a gapful number since it is divisible by the number (80) 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 860116320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829520000).

860116320 is an abundant number, since it is smaller than the sum of its proper divisors (2798923680).

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

860116320 is a wasteful number, since it uses less digits than its factorization.

860116320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 860116320 is about 29327.7397697129. The cubic root of 860116320 is about 951.0114140476.

Adding to 860116320 its reverse (23611068), we get a palindrome (883727388).

The spelling of 860116320 in words is "eight hundred sixty million, one hundred sixteen thousand, three hundred twenty".