216833667 has 16 divisors (see below), whose sum is σ = 299460000. Its totient is φ = 139394304.

The previous prime is 216833651. The next prime is 216833671. The reversal of 216833667 is 766338612.

It is not a de Polignac number, because 216833667 - 2⁴ = 216833651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216833647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133959 + ... + 135567.

It is an arithmetic number, because the mean of its divisors is an integer number (18716250).

Almost surely, 2^216833667 is an apocalyptic number.

216833667 is a deficient number, since it is larger than the sum of its proper divisors (82626333).

216833667 is a wasteful number, since it uses less digits than its factorization.

216833667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190.

The product of its digits is 217728, while the sum is 42.

The square root of 216833667 is about 14725.2730704731. The cubic root of 216833667 is about 600.7709229277.

It can be divided in two parts, 2168336 and 67, that added together give a triangular number (2168403 = T₂₀₈₂).

The spelling of 216833667 in words is "two hundred sixteen million, eight hundred thirty-three thousand, six hundred sixty-seven".