918906816 has 56 divisors (see below), whose sum is σ = 2436189184. Its totient is φ = 305683200.

The previous prime is 918906721. The next prime is 918906817. The reversal of 918906816 is 618609819.

918906816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

918906816 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918906817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95841 + ... + 104991.

Almost surely, 2^918906816 is an apocalyptic number.

918906816 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

918906816 is an abundant number, since it is smaller than the sum of its proper divisors (1517282368).

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

918906816 is a wasteful number, since it uses less digits than its factorization.

918906816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9689 (or 9679 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 918906816 is about 30313.4758152212. The cubic root of 918906816 is about 972.2034494281.

The spelling of 918906816 in words is "nine hundred eighteen million, nine hundred six thousand, eight hundred sixteen".