218406097105 has 16 divisors (see below), whose sum is σ = 302493993984. Its totient is φ = 148281364800.

The previous prime is 218406097087. The next prime is 218406097111. The reversal of 218406097105 is 501790604812.

It is not a de Polignac number, because 218406097105 - 2¹⁵ = 218406064337 is a prime.

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, 30888417 + ... + 30895486.

It is an arithmetic number, because the mean of its divisors is an integer number (18905874624).

Almost surely, 2^218406097105 is an apocalyptic number.

It is an amenable number.

218406097105 is a deficient number, since it is larger than the sum of its proper divisors (84087896879).

218406097105 is a wasteful number, since it uses less digits than its factorization.

218406097105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61784016.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 218406097105 in words is "two hundred eighteen billion, four hundred six million, ninety-seven thousand, one hundred five".