216194675 has 12 divisors (see below), whose sum is σ = 272478096. Its totient is φ = 170119200.

The previous prime is 216194659. The next prime is 216194701. The reversal of 216194675 is 576491612.

It is not a de Polignac number, because 216194675 - 2⁴ = 216194659 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 69359 + ... + 72408.

It is an arithmetic number, because the mean of its divisors is an integer number (22706508).

Almost surely, 2^216194675 is an apocalyptic number.

216194675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

216194675 is a deficient number, since it is larger than the sum of its proper divisors (56283421).

216194675 is a wasteful number, since it uses less digits than its factorization.

216194675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141838 (or 141833 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 216194675 is about 14703.5599430886. The cubic root of 216194675 is about 600.1802005038.

The spelling of 216194675 in words is "two hundred sixteen million, one hundred ninety-four thousand, six hundred seventy-five".