918363668 has 12 divisors (see below), whose sum is σ = 1607848032. Its totient is φ = 458978520.

The previous prime is 918363661. The next prime is 918363683. The reversal of 918363668 is 866363819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918363661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40430 + ... + 58917.

It is an arithmetic number, because the mean of its divisors is an integer number (133987336).

Almost surely, 2^918363668 is an apocalyptic number.

It is an amenable number.

918363668 is a deficient number, since it is larger than the sum of its proper divisors (689484364).

918363668 is a wasteful number, since it uses less digits than its factorization.

918363668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101662 (or 101660 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 918363668 is about 30304.5156371126. The cubic root of 918363668 is about 972.0118614730.

The spelling of 918363668 in words is "nine hundred eighteen million, three hundred sixty-three thousand, six hundred sixty-eight".