918370397472 has 192 divisors, whose sum is σ = 2723472170496. Its totient is φ = 268546037760.

The previous prime is 918370397449. The next prime is 918370397473. The reversal of 918370397472 is 274793073819.

It is not an unprimeable number, because it can be changed into a prime (918370397473) by changing a digit.

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, 3647028 + ... + 3890700.

It is an arithmetic number, because the mean of its divisors is an integer number (14184750888).

Almost surely, 2^918370397472 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 918370397472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361736085248).

918370397472 is an abundant number, since it is smaller than the sum of its proper divisors (1805101773024).

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

918370397472 is a wasteful number, since it uses less digits than its factorization.

918370397472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243823 (or 243815 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 918370397472 in words is "nine hundred eighteen billion, three hundred seventy million, three hundred ninety-seven thousand, four hundred seventy-two".