216000654 has 8 divisors (see below), whose sum is σ = 432001320. Its totient is φ = 72000216.

The previous prime is 216000643. The next prime is 216000661. The reversal of 216000654 is 456000612.

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

216000654 is an admirable number.

It is a super-3 number, since 3×216000654³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18000049 + ... + 18000060.

It is an arithmetic number, because the mean of its divisors is an integer number (54000165).

Almost surely, 2^216000654 is an apocalyptic number.

216000654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216000654 is a wasteful number, since it uses less digits than its factorization.

216000654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36000114.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 216000654 is about 14696.9607062141. The cubic root of 216000654 is about 600.0006055549. Note that the first 3 decimals are identical.

The spelling of 216000654 in words is "two hundred sixteen million, six hundred fifty-four", and thus it is an aban number.