216560342 has 8 divisors (see below), whose sum is σ = 336042000. Its totient is φ = 104546344.

The previous prime is 216560339. The next prime is 216560359. The reversal of 216560342 is 243065612.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866842 + ... + 1866957.

It is an arithmetic number, because the mean of its divisors is an integer number (42005250).

Almost surely, 2^216560342 is an apocalyptic number.

216560342 is a deficient number, since it is larger than the sum of its proper divisors (119481658).

216560342 is a wasteful number, since it uses less digits than its factorization.

216560342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733830.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 216560342 is about 14715.9893313362. The cubic root of 216560342 is about 600.5183871808.

The spelling of 216560342 in words is "two hundred sixteen million, five hundred sixty thousand, three hundred forty-two".