218148688202 has 32 divisors (see below), whose sum is σ = 345630378240. Its totient is φ = 103059475200.

The previous prime is 218148688193. The next prime is 218148688213. The reversal of 218148688202 is 202886841812.

218148688202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1957499 + ... + 2065937.

It is an arithmetic number, because the mean of its divisors is an integer number (10800949320).

Almost surely, 2^218148688202 is an apocalyptic number.

218148688202 is a deficient number, since it is larger than the sum of its proper divisors (127481690038).

218148688202 is a wasteful number, since it uses less digits than its factorization.

218148688202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108998.

The product of its (nonzero) digits is 786432, while the sum is 50.

The spelling of 218148688202 in words is "two hundred eighteen billion, one hundred forty-eight million, six hundred eighty-eight thousand, two hundred two".