1081218218 has 16 divisors (see below), whose sum is σ = 1753329120. Its totient is φ = 498313296.

The previous prime is 1081218169. The next prime is 1081218263. The reversal of 1081218218 is 8128121801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383096 + ... + 385907.

It is an arithmetic number, because the mean of its divisors is an integer number (109583070).

Almost surely, 2^1081218218 is an apocalyptic number.

1081218218 is a deficient number, since it is larger than the sum of its proper divisors (672110902).

1081218218 is a wasteful number, since it uses less digits than its factorization.

1081218218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769061.

The product of its (nonzero) digits is 2048, while the sum is 32.

The square root of 1081218218 is about 32881.8828232204. The cubic root of 1081218218 is about 1026.3711866593.

The spelling of 1081218218 in words is "one billion, eighty-one million, two hundred eighteen thousand, two hundred eighteen".