216038716 has 12 divisors (see below), whose sum is σ = 378572488. Its totient is φ = 107875152.

The previous prime is 216038699. The next prime is 216038723. The reversal of 216038716 is 617830612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32646 + ... + 38701.

Almost surely, 2^216038716 is an apocalyptic number.

It is an amenable number.

216038716 is a deficient number, since it is larger than the sum of its proper divisors (162533772).

216038716 is a wasteful number, since it uses less digits than its factorization.

216038716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72108 (or 72106 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 216038716 is about 14698.2555427506. The cubic root of 216038716 is about 600.0358460065.

The spelling of 216038716 in words is "two hundred sixteen million, thirty-eight thousand, seven hundred sixteen".