218690126030 has 32 divisors (see below), whose sum is σ = 394192515168. Its totient is φ = 87353856000.

The previous prime is 218690126009. The next prime is 218690126059. The reversal of 218690126030 is 30621096812.

It is a happy number.

218690126030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27294725 + ... + 27302735.

It is an arithmetic number, because the mean of its divisors is an integer number (12318516099).

Almost surely, 2^218690126030 is an apocalyptic number.

218690126030 is a deficient number, since it is larger than the sum of its proper divisors (175502389138).

218690126030 is a wasteful number, since it uses less digits than its factorization.

218690126030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11492.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 218690126030 in words is "two hundred eighteen billion, six hundred ninety million, one hundred twenty-six thousand, thirty".