216134633 has 16 divisors (see below), whose sum is σ = 267288000. Its totient is φ = 171823680.

The previous prime is 216134629. The next prime is 216134663. The reversal of 216134633 is 336431612.

It is a cyclic number.

It is not a de Polignac number, because 216134633 - 2² = 216134629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216134596 and 216134605.

It is not an unprimeable number, because it can be changed into a prime (216134663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 37058 + ... + 42491.

It is an arithmetic number, because the mean of its divisors is an integer number (16705500).

Almost surely, 2^216134633 is an apocalyptic number.

It is an amenable number.

216134633 is a deficient number, since it is larger than the sum of its proper divisors (51153367).

216134633 is a wasteful number, since it uses less digits than its factorization.

216134633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79592.

The product of its digits is 7776, while the sum is 29.

The square root of 216134633 is about 14701.5180508681. The cubic root of 216134633 is about 600.1246342939.

The spelling of 216134633 in words is "two hundred sixteen million, one hundred thirty-four thousand, six hundred thirty-three".