618065056 has 96 divisors (see below), whose sum is σ = 1487953152. Its totient is φ = 246681600.

The previous prime is 618065053. The next prime is 618065059. The reversal of 618065056 is 650560816.

It is an interprime number because it is at equal distance from previous prime (618065053) and next prime (618065059).

It is not an unprimeable number, because it can be changed into a prime (618065051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383805 + ... + 385411.

It is an arithmetic number, because the mean of its divisors is an integer number (15499512).

Almost surely, 2^618065056 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 618065056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743976576).

618065056 is an abundant number, since it is smaller than the sum of its proper divisors (869888096).

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

618065056 is a wasteful number, since it uses less digits than its factorization.

618065056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1734 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 618065056 is about 24860.9142229323. The cubic root of 618065056 is about 851.8139145570.

The spelling of 618065056 in words is "six hundred eighteen million, sixty-five thousand, fifty-six".