216138096 has 60 divisors (see below), whose sum is σ = 606153912. Its totient is φ = 71895168.

The previous prime is 216138089. The next prime is 216138121. The reversal of 216138096 is 690831612.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 216138096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83250 + ... + 85806.

Almost surely, 2^216138096 is an apocalyptic number.

It is an amenable number.

216138096 is an abundant number, since it is smaller than the sum of its proper divisors (390015816).

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

216138096 is a wasteful number, since it uses less digits than its factorization.

216138096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158 (or 3149 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 216138096 is about 14701.6358273493. The cubic root of 216138096 is about 600.1278394265.

The spelling of 216138096 in words is "two hundred sixteen million, one hundred thirty-eight thousand, ninety-six".