853618018 has 32 divisors (see below), whose sum is σ = 1443925440. Its totient is φ = 375144000.

The previous prime is 853617979. The next prime is 853618039. The reversal of 853618018 is 810816358.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73788 + ... + 84568.

It is an arithmetic number, because the mean of its divisors is an integer number (45122670).

Almost surely, 2^853618018 is an apocalyptic number.

853618018 is a deficient number, since it is larger than the sum of its proper divisors (590307422).

853618018 is a wasteful number, since it uses less digits than its factorization.

853618018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 853618018 is about 29216.7420839491. The cubic root of 853618018 is about 948.6103479057.

The spelling of 853618018 in words is "eight hundred fifty-three million, six hundred eighteen thousand, eighteen".