216736334 has 4 divisors (see below), whose sum is σ = 325104504. Its totient is φ = 108368166.

The previous prime is 216736313. The next prime is 216736379. The reversal of 216736334 is 433637612.

216736334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-4 number, since 4×216736334⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a junction number, because it is equal to n+sod(n) for n = 216736294 and 216736303.

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, 54184082 + ... + 54184085.

It is an arithmetic number, because the mean of its divisors is an integer number (81276126).

Almost surely, 2^216736334 is an apocalyptic number.

216736334 is a deficient number, since it is larger than the sum of its proper divisors (108368170).

216736334 is a wasteful number, since it uses less digits than its factorization.

216736334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108368169.

The product of its digits is 54432, while the sum is 35.

The square root of 216736334 is about 14721.9677353267. The cubic root of 216736334 is about 600.6810174736.

The spelling of 216736334 in words is "two hundred sixteen million, seven hundred thirty-six thousand, three hundred thirty-four".