218432157523106 has 16 divisors (see below), whose sum is σ = 331343879839200. Its totient is φ = 107984302782048.

The previous prime is 218432157523033. The next prime is 218432157523133. The reversal of 218432157523106 is 601325751234812.

It is a super-2 number, since 2×218432157523106² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22135280 + ... + 30443963.

It is an arithmetic number, because the mean of its divisors is an integer number (20708992489950).

Almost surely, 2^{218432157523106} is an apocalyptic number.

218432157523106 is a deficient number, since it is larger than the sum of its proper divisors (112911722316094).

218432157523106 is a wasteful number, since it uses less digits than its factorization.

218432157523106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52602673.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 218432157523106 in words is "two hundred eighteen trillion, four hundred thirty-two billion, one hundred fifty-seven million, five hundred twenty-three thousand, one hundred six".