218164034 has 16 divisors (see below), whose sum is σ = 365704416. Its totient is φ = 96746400.

The previous prime is 218164033. The next prime is 218164049. The reversal of 218164034 is 430461812.

It is a junction number, because it is equal to n+sod(n) for n = 218163988 and 218164006.

It is not an unprimeable number, because it can be changed into a prime (218164033) by changing a digit.

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, 120032 + ... + 121835.

It is an arithmetic number, because the mean of its divisors is an integer number (22856526).

Almost surely, 2^218164034 is an apocalyptic number.

218164034 is a deficient number, since it is larger than the sum of its proper divisors (147540382).

218164034 is a wasteful number, since it uses less digits than its factorization.

218164034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241921.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 218164034 is about 14770.3769078517. The cubic root of 218164034 is about 601.9970805920.

The spelling of 218164034 in words is "two hundred eighteen million, one hundred sixty-four thousand, thirty-four".