216982148 has 12 divisors (see below), whose sum is σ = 383079900. Its totient is φ = 107530752.

The previous prime is 216982123. The next prime is 216982153. The reversal of 216982148 is 841289612.

216982148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55234624 + 161747524 = 7432^2 + 12718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239573 + ... + 240476.

It is an arithmetic number, because the mean of its divisors is an integer number (31923325).

Almost surely, 2^216982148 is an apocalyptic number.

It is an amenable number.

216982148 is a deficient number, since it is larger than the sum of its proper divisors (166097752).

216982148 is a wasteful number, since it uses less digits than its factorization.

216982148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480166 (or 480164 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 216982148 is about 14730.3139138309. The cubic root of 216982148 is about 600.9080214316.

The spelling of 216982148 in words is "two hundred sixteen million, nine hundred eighty-two thousand, one hundred forty-eight".