216554006 has 8 divisors (see below), whose sum is σ = 327811440. Its totient is φ = 107283528.

The previous prime is 216553969. The next prime is 216554017. The reversal of 216554006 is 600455612.

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

It is a self number, because there is not a number n which added to its sum of digits gives 216554006.

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, 496466 + ... + 496901.

It is an arithmetic number, because the mean of its divisors is an integer number (40976430).

Almost surely, 2^216554006 is an apocalyptic number.

216554006 is a deficient number, since it is larger than the sum of its proper divisors (111257434).

216554006 is a wasteful number, since it uses less digits than its factorization.

216554006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993478.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 216554006 is about 14715.7740537153. The cubic root of 216554006 is about 600.5125305812.

The spelling of 216554006 in words is "two hundred sixteen million, five hundred fifty-four thousand, six".