918330056 has 64 divisors (see below), whose sum is σ = 1993850880. Its totient is φ = 388411200.

The previous prime is 918330053. The next prime is 918330071. The reversal of 918330056 is 650033819.

It is a junction number, because it is equal to n+sod(n) for n = 918329998 and 918330025.

It is not an unprimeable number, because it can be changed into a prime (918330053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1885445 + ... + 1885931.

It is an arithmetic number, because the mean of its divisors is an integer number (31153920).

Almost surely, 2^918330056 is an apocalyptic number.

It is an amenable number.

918330056 is an abundant number, since it is smaller than the sum of its proper divisors (1075520824).

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

918330056 is a wasteful number, since it uses less digits than its factorization.

918330056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 918330056 is about 30303.9610612210. The cubic root of 918330056 is about 972.0000028225. Note that the first 5 decimals are identical.

The spelling of 918330056 in words is "nine hundred eighteen million, three hundred thirty thousand, fifty-six".