216454614 has 16 divisors (see below), whose sum is σ = 433125552. Its totient is φ = 72115488.

The previous prime is 216454607. The next prime is 216454639. The reversal of 216454614 is 416454612.

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 7 ways as a sum of consecutive naturals, for example, 5892 + ... + 21624.

It is an arithmetic number, because the mean of its divisors is an integer number (27070347).

Almost surely, 2^216454614 is an apocalyptic number.

216454614 is an abundant number, since it is smaller than the sum of its proper divisors (216670938).

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

216454614 is a wasteful number, since it uses less digits than its factorization.

216454614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18031.

The product of its digits is 23040, while the sum is 33.

The square root of 216454614 is about 14712.3966096622. The cubic root of 216454614 is about 600.4206439178.

The spelling of 216454614 in words is "two hundred sixteen million, four hundred fifty-four thousand, six hundred fourteen".