216353014 has 4 divisors (see below), whose sum is σ = 324529524. Its totient is φ = 108176506.

The previous prime is 216352993. The next prime is 216353047. The reversal of 216353014 is 410353612.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 216353014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54088252 + ... + 54088255.

It is an arithmetic number, because the mean of its divisors is an integer number (81132381).

Almost surely, 2^216353014 is an apocalyptic number.

216353014 is a deficient number, since it is larger than the sum of its proper divisors (108176510).

216353014 is a wasteful number, since it uses less digits than its factorization.

216353014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108176509.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 216353014 is about 14708.9433339040. The cubic root of 216353014 is about 600.3266869086.

It can be divided in two parts, 21635 and 3014, that added together give a square (24649 = 157²).

The spelling of 216353014 in words is "two hundred sixteen million, three hundred fifty-three thousand, fourteen".