918193056 has 48 divisors (see below), whose sum is σ = 2629374048. Its totient is φ = 278240000.

The previous prime is 918193049. The next prime is 918193091. The reversal of 918193056 is 650391819.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 918192999 and 918193017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433695 + ... + 435806.

It is an arithmetic number, because the mean of its divisors is an integer number (54778626).

Almost surely, 2^918193056 is an apocalyptic number.

918193056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

918193056 is an abundant number, since it is smaller than the sum of its proper divisors (1711180992).

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

918193056 is a wasteful number, since it uses less digits than its factorization.

918193056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869525 (or 869517 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 918193056 is about 30301.7005463390. The cubic root of 918193056 is about 971.9516648558.

The spelling of 918193056 in words is "nine hundred eighteen million, one hundred ninety-three thousand, fifty-six".