218960542 has 8 divisors (see below), whose sum is σ = 328834800. Its totient is φ = 109348944.

The previous prime is 218960519. The next prime is 218960551. The reversal of 218960542 is 245069812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63567 + ... + 66922.

It is an arithmetic number, because the mean of its divisors is an integer number (41104350).

Almost surely, 2^218960542 is an apocalyptic number.

218960542 is a deficient number, since it is larger than the sum of its proper divisors (109874258).

218960542 is a wasteful number, since it uses less digits than its factorization.

218960542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131330.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 218960542 is about 14797.3153646194. The cubic root of 218960542 is about 602.7288130765.

The spelling of 218960542 in words is "two hundred eighteen million, nine hundred sixty thousand, five hundred forty-two".