218372125074 has 64 divisors (see below), whose sum is σ = 469368691200. Its totient is φ = 67488873728.

The previous prime is 218372125067. The next prime is 218372125109. The reversal of 218372125074 is 470521273812.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1897717 + ... + 2009495.

It is an arithmetic number, because the mean of its divisors is an integer number (7333885800).

Almost surely, 2^218372125074 is an apocalyptic number.

218372125074 is an abundant number, since it is smaller than the sum of its proper divisors (250996566126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218372125074 is a wasteful number, since it uses less digits than its factorization.

218372125074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112087.

The product of its (nonzero) digits is 188160, while the sum is 42.

Adding to 218372125074 its reverse (470521273812), we get a palindrome (688893398886).

The spelling of 218372125074 in words is "two hundred eighteen billion, three hundred seventy-two million, one hundred twenty-five thousand, seventy-four".