216148804 has 9 divisors (see below), whose sum is σ = 378311871. Its totient is φ = 108059700.

The previous prime is 216148721. The next prime is 216148811. The reversal of 216148804 is 408841612.

The square root of 216148804 is 14702.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216148804.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25729 + ... + 33079.

Almost surely, 2^216148804 is an apocalyptic number.

216148804 is the 14702-nd square number.

It is an amenable number.

216148804 is a deficient number, since it is larger than the sum of its proper divisors (162163067).

216148804 is an frugal number, since it uses more digits than its factorization.

216148804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14706 (or 7353 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The cubic root of 216148804 is about 600.1377498540.

The spelling of 216148804 in words is "two hundred sixteen million, one hundred forty-eight thousand, eight hundred four".