216475198 has 16 divisors (see below), whose sum is σ = 337685760. Its totient is φ = 103952800.

The previous prime is 216475177. The next prime is 216475213. The reversal of 216475198 is 891574612.

It is a super-2 number, since 2×216475198² = 93723022698278408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 20848.

It is an arithmetic number, because the mean of its divisors is an integer number (21105360).

Almost surely, 2^216475198 is an apocalyptic number.

216475198 is a deficient number, since it is larger than the sum of its proper divisors (121210562).

216475198 is a wasteful number, since it uses less digits than its factorization.

216475198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19763.

The product of its digits is 120960, while the sum is 43.

The square root of 216475198 is about 14713.0961391544. The cubic root of 216475198 is about 600.4396758780.

The spelling of 216475198 in words is "two hundred sixteen million, four hundred seventy-five thousand, one hundred ninety-eight".