918455668 has 96 divisors (see below), whose sum is σ = 1947456000. Its totient is φ = 374409216.

The previous prime is 918455647. The next prime is 918455683. The reversal of 918455668 is 866554819.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2502421 + ... + 2502787.

It is an arithmetic number, because the mean of its divisors is an integer number (20286000).

Almost surely, 2^918455668 is an apocalyptic number.

It is an amenable number.

918455668 is an abundant number, since it is smaller than the sum of its proper divisors (1029000332).

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

918455668 is a wasteful number, since it uses less digits than its factorization.

918455668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The square root of 918455668 is about 30306.0335246960. The cubic root of 918455668 is about 972.0443185153.

The spelling of 918455668 in words is "nine hundred eighteen million, four hundred fifty-five thousand, six hundred sixty-eight".