918397648896 has 608 divisors, whose sum is σ = 3097605036288. Its totient is φ = 235552112640.

The previous prime is 918397648891. The next prime is 918397648901. The reversal of 918397648896 is 698846793819.

It is an interprime number because it is at equal distance from previous prime (918397648891) and next prime (918397648901).

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918397648891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2934177636 + ... + 2934177948.

Almost surely, 2^918397648896 is an apocalyptic number.

918397648896 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918397648896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548802518144).

918397648896 is an abundant number, since it is smaller than the sum of its proper divisors (2179207387392).

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

918397648896 is an equidigital number, since it uses as much as digits as its factorization.

918397648896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 379 counting only the distinct ones).

The product of its digits is 1128701952, while the sum is 78.

The spelling of 918397648896 in words is "nine hundred eighteen billion, three hundred ninety-seven million, six hundred forty-eight thousand, eight hundred ninety-six".