1018433218 has 16 divisors (see below), whose sum is σ = 1668257856. Its totient is φ = 462443440.

The previous prime is 1018433137. The next prime is 1018433219. The reversal of 1018433218 is 8123348101.

It is a super-3 number, since 3×1018433218³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1018433218.

It is not an unprimeable number, because it can be changed into a prime (1018433219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921 + ... + 45172.

It is an arithmetic number, because the mean of its divisors is an integer number (104266116).

Almost surely, 2^1018433218 is an apocalyptic number.

1018433218 is a deficient number, since it is larger than the sum of its proper divisors (649824638).

1018433218 is a wasteful number, since it uses less digits than its factorization.

1018433218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48089.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1018433218 is about 31912.9004949409. The cubic root of 1018433218 is about 1006.1070342108.

The spelling of 1018433218 in words is "one billion, eighteen million, four hundred thirty-three thousand, two hundred eighteen".