916135320 has 64 divisors (see below), whose sum is σ = 2762864640. Its totient is φ = 243017600.

The previous prime is 916135277. The next prime is 916135373. The reversal of 916135320 is 23531619.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2935 + ... + 42905.

It is an arithmetic number, because the mean of its divisors is an integer number (43169760).

Almost surely, 2^916135320 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 916135320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381432320).

916135320 is an abundant number, since it is smaller than the sum of its proper divisors (1846729320).

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

916135320 is a wasteful number, since it uses less digits than its factorization.

916135320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40176 (or 40172 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 916135320 is about 30267.7273676105. The cubic root of 916135320 is about 971.2250508309.

Adding to 916135320 its reverse (23531619), we get a palindrome (939666939).

The spelling of 916135320 in words is "nine hundred sixteen million, one hundred thirty-five thousand, three hundred twenty".